251091984

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 770200704

約数和(自身を除く): 519108720

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 157, 176, 208, 233, 264, 286, 312, 314, 429, 466, 471, 528, 572, 624, 628, 699, 858, 932, 942, 1144, 1256, 1398, 1716, 1727, 1864, 1884, 2041, 2288, 2512, 2563, 2796, 3029, 3432, 3454, 3728, 3768, 4082, 5126, 5181, 5592, 6058, 6123, 6864, 6908, 7536, 7689, 8164, 9087, 10252, 10362, 11184, 12116, 12246, 13816, 15378, 16328, 18174, 20504, 20724, 22451, 24232, 24492, 27632, 30756, 32656, 33319, 36348, 36581, 41008, 41448, 44902, 48464, 48984, 61512, 66638, 67353, 72696, 73162, 82896, 89804, 97968, 99957, 109743, 123024, 133276, 134706, 145392, 146324, 179608, 199914, 219486, 266552, 269412, 292648, 359216, 399828, 402391, 438972, 475553, 533104, 538824, 585296, 799656, 804782, 877944, 951106, 1077648, 1207173, 1426659, 1599312, 1609564, 1755888, 1902212, 2414346, 2853318, 3219128, 3804424, 4828692, 5231083, 5706636, 6438256, 7608848, 9657384, 10462166, 11413272, 15693249, 19314768, 20924332, 22826544, 31386498, 41848664, 62772996, 83697328, 125545992, 251091984]

約数ペア:

[(1, 251091984), (2, 125545992), (3, 83697328), (4, 62772996), (6, 41848664), (8, 31386498), (11, 22826544), (12, 20924332), (13, 19314768), (16, 15693249), (22, 11413272), (24, 10462166), (26, 9657384), (33, 7608848), (39, 6438256), (44, 5706636), (48, 5231083), (52, 4828692), (66, 3804424), (78, 3219128), (88, 2853318), (104, 2414346), (132, 1902212), (143, 1755888), (156, 1609564), (157, 1599312), (176, 1426659), (208, 1207173), (233, 1077648), (264, 951106), (286, 877944), (312, 804782), (314, 799656), (429, 585296), (466, 538824), (471, 533104), (528, 475553), (572, 438972), (624, 402391), (628, 399828), (699, 359216), (858, 292648), (932, 269412), (942, 266552), (1144, 219486), (1256, 199914), (1398, 179608), (1716, 146324), (1727, 145392), (1864, 134706), (1884, 133276), (2041, 123024), (2288, 109743), (2512, 99957), (2563, 97968), (2796, 89804), (3029, 82896), (3432, 73162), (3454, 72696), (3728, 67353), (3768, 66638), (4082, 61512), (5126, 48984), (5181, 48464), (5592, 44902), (6058, 41448), (6123, 41008), (6864, 36581), (6908, 36348), (7536, 33319), (7689, 32656), (8164, 30756), (9087, 27632), (10252, 24492), (10362, 24232), (11184, 22451), (12116, 20724), (12246, 20504), (13816, 18174), (15378, 16328)]