263981256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:915

約数の個数: 128

約数和(自身を含む): 827919360

約数和(自身を除く): 563938104

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 211, 231, 264, 308, 422, 462, 616, 633, 677, 844, 924, 1266, 1354, 1477, 1688, 1848, 2031, 2321, 2532, 2708, 2954, 4062, 4431, 4642, 4739, 5064, 5416, 5908, 6963, 7447, 8124, 8862, 9284, 9478, 11816, 13926, 14217, 14894, 16247, 16248, 17724, 18568, 18956, 22341, 27852, 28434, 29788, 32494, 35448, 37912, 44682, 48741, 52129, 55704, 56868, 59576, 64988, 89364, 97482, 104258, 113736, 129976, 142847, 156387, 178728, 194964, 208516, 285694, 312774, 389928, 417032, 428541, 571388, 625548, 857082, 999929, 1142776, 1251096, 1571317, 1714164, 1999858, 2999787, 3142634, 3428328, 3999716, 4713951, 5999574, 6285268, 7999432, 9427902, 10999219, 11999148, 12570536, 18855804, 21998438, 23998296, 32997657, 37711608, 43996876, 65995314, 87993752, 131990628, 263981256]

約数ペア:

[(1, 263981256), (2, 131990628), (3, 87993752), (4, 65995314), (6, 43996876), (7, 37711608), (8, 32997657), (11, 23998296), (12, 21998438), (14, 18855804), (21, 12570536), (22, 11999148), (24, 10999219), (28, 9427902), (33, 7999432), (42, 6285268), (44, 5999574), (56, 4713951), (66, 3999716), (77, 3428328), (84, 3142634), (88, 2999787), (132, 1999858), (154, 1714164), (168, 1571317), (211, 1251096), (231, 1142776), (264, 999929), (308, 857082), (422, 625548), (462, 571388), (616, 428541), (633, 417032), (677, 389928), (844, 312774), (924, 285694), (1266, 208516), (1354, 194964), (1477, 178728), (1688, 156387), (1848, 142847), (2031, 129976), (2321, 113736), (2532, 104258), (2708, 97482), (2954, 89364), (4062, 64988), (4431, 59576), (4642, 56868), (4739, 55704), (5064, 52129), (5416, 48741), (5908, 44682), (6963, 37912), (7447, 35448), (8124, 32494), (8862, 29788), (9284, 28434), (9478, 27852), (11816, 22341), (13926, 18956), (14217, 18568), (14894, 17724), (16247, 16248)]