221753168

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 160

約数和(自身を含む): 579962880

約数和(自身を除く): 358209712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 34, 52, 56, 62, 68, 91, 104, 112, 119, 124, 136, 182, 208, 217, 221, 238, 248, 272, 289, 364, 403, 434, 442, 476, 496, 527, 578, 728, 806, 868, 884, 952, 1054, 1156, 1456, 1547, 1612, 1736, 1768, 1904, 2023, 2108, 2312, 2821, 3094, 3224, 3472, 3536, 3689, 3757, 4046, 4216, 4624, 4913, 5642, 6188, 6448, 6851, 7378, 7514, 8092, 8432, 8959, 9826, 11284, 12376, 13702, 14756, 15028, 16184, 17918, 19652, 22568, 24752, 26299, 27404, 29512, 30056, 32368, 34391, 35836, 39304, 45136, 47957, 52598, 54808, 59024, 60112, 62713, 63869, 68782, 71672, 78608, 95914, 105196, 109616, 116467, 125426, 127738, 137564, 143344, 152303, 191828, 210392, 232934, 250852, 255476, 275128, 304606, 383656, 420784, 447083, 465868, 501704, 510952, 550256, 609212, 767312, 815269, 894166, 931736, 1003408, 1021904, 1066121, 1218424, 1630538, 1788332, 1863472, 1979939, 2132242, 2436848, 3261076, 3576664, 3959878, 4264484, 6522152, 7153328, 7919756, 8528968, 13044304, 13859573, 15839512, 17057936, 27719146, 31679024, 55438292, 110876584, 221753168]

約数ペア:

[(1, 221753168), (2, 110876584), (4, 55438292), (7, 31679024), (8, 27719146), (13, 17057936), (14, 15839512), (16, 13859573), (17, 13044304), (26, 8528968), (28, 7919756), (31, 7153328), (34, 6522152), (52, 4264484), (56, 3959878), (62, 3576664), (68, 3261076), (91, 2436848), (104, 2132242), (112, 1979939), (119, 1863472), (124, 1788332), (136, 1630538), (182, 1218424), (208, 1066121), (217, 1021904), (221, 1003408), (238, 931736), (248, 894166), (272, 815269), (289, 767312), (364, 609212), (403, 550256), (434, 510952), (442, 501704), (476, 465868), (496, 447083), (527, 420784), (578, 383656), (728, 304606), (806, 275128), (868, 255476), (884, 250852), (952, 232934), (1054, 210392), (1156, 191828), (1456, 152303), (1547, 143344), (1612, 137564), (1736, 127738), (1768, 125426), (1904, 116467), (2023, 109616), (2108, 105196), (2312, 95914), (2821, 78608), (3094, 71672), (3224, 68782), (3472, 63869), (3536, 62713), (3689, 60112), (3757, 59024), (4046, 54808), (4216, 52598), (4624, 47957), (4913, 45136), (5642, 39304), (6188, 35836), (6448, 34391), (6851, 32368), (7378, 30056), (7514, 29512), (8092, 27404), (8432, 26299), (8959, 24752), (9826, 22568), (11284, 19652), (12376, 17918), (13702, 16184), (14756, 15028)]