257847264

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:549

約数の個数: 144

約数和(自身を含む): 767999232

約数和(自身を除く): 510151968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 47, 48, 72, 86, 94, 96, 129, 141, 144, 172, 188, 258, 282, 288, 344, 376, 387, 423, 443, 516, 564, 688, 752, 774, 846, 886, 1032, 1128, 1329, 1376, 1504, 1548, 1692, 1772, 2021, 2064, 2256, 2658, 3096, 3384, 3544, 3987, 4042, 4128, 4512, 5316, 6063, 6192, 6768, 7088, 7974, 8084, 10632, 12126, 12384, 13536, 14176, 15948, 16168, 18189, 19049, 20821, 21264, 24252, 31896, 32336, 36378, 38098, 41642, 42528, 48504, 57147, 62463, 63792, 64672, 72756, 76196, 83284, 97008, 114294, 124926, 127584, 145512, 152392, 166568, 171441, 187389, 194016, 228588, 249852, 291024, 304784, 333136, 342882, 374778, 457176, 499704, 582048, 609568, 666272, 685764, 749556, 895303, 914352, 999408, 1371528, 1499112, 1790606, 1828704, 1998816, 2685909, 2743056, 2998224, 3581212, 5371818, 5486112, 5996448, 7162424, 8057727, 10743636, 14324848, 16115454, 21487272, 28649696, 32230908, 42974544, 64461816, 85949088, 128923632, 257847264]

約数ペア:

[(1, 257847264), (2, 128923632), (3, 85949088), (4, 64461816), (6, 42974544), (8, 32230908), (9, 28649696), (12, 21487272), (16, 16115454), (18, 14324848), (24, 10743636), (32, 8057727), (36, 7162424), (43, 5996448), (47, 5486112), (48, 5371818), (72, 3581212), (86, 2998224), (94, 2743056), (96, 2685909), (129, 1998816), (141, 1828704), (144, 1790606), (172, 1499112), (188, 1371528), (258, 999408), (282, 914352), (288, 895303), (344, 749556), (376, 685764), (387, 666272), (423, 609568), (443, 582048), (516, 499704), (564, 457176), (688, 374778), (752, 342882), (774, 333136), (846, 304784), (886, 291024), (1032, 249852), (1128, 228588), (1329, 194016), (1376, 187389), (1504, 171441), (1548, 166568), (1692, 152392), (1772, 145512), (2021, 127584), (2064, 124926), (2256, 114294), (2658, 97008), (3096, 83284), (3384, 76196), (3544, 72756), (3987, 64672), (4042, 63792), (4128, 62463), (4512, 57147), (5316, 48504), (6063, 42528), (6192, 41642), (6768, 38098), (7088, 36378), (7974, 32336), (8084, 31896), (10632, 24252), (12126, 21264), (12384, 20821), (13536, 19049), (14176, 18189), (15948, 16168)]