291664256

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 640243800

約数和(自身を除く): 348579544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 128, 139, 169, 194, 208, 278, 338, 388, 416, 556, 676, 776, 832, 1112, 1261, 1352, 1552, 1664, 1807, 2224, 2522, 2704, 3104, 3614, 4448, 5044, 5408, 6208, 7228, 8896, 10088, 10816, 12416, 13483, 14456, 16393, 17792, 20176, 21632, 23491, 26966, 28912, 32786, 40352, 46982, 53932, 57824, 65572, 80704, 93964, 107864, 115648, 131144, 161408, 175279, 187928, 215728, 231296, 262288, 350558, 375856, 431456, 524576, 701116, 751712, 862912, 1049152, 1402232, 1503424, 1725824, 2098304, 2278627, 2804464, 3006848, 4557254, 5608928, 9114508, 11217856, 18229016, 22435712, 36458032, 72916064, 145832128, 291664256]

約数ペア:

[(1, 291664256), (2, 145832128), (4, 72916064), (8, 36458032), (13, 22435712), (16, 18229016), (26, 11217856), (32, 9114508), (52, 5608928), (64, 4557254), (97, 3006848), (104, 2804464), (128, 2278627), (139, 2098304), (169, 1725824), (194, 1503424), (208, 1402232), (278, 1049152), (338, 862912), (388, 751712), (416, 701116), (556, 524576), (676, 431456), (776, 375856), (832, 350558), (1112, 262288), (1261, 231296), (1352, 215728), (1552, 187928), (1664, 175279), (1807, 161408), (2224, 131144), (2522, 115648), (2704, 107864), (3104, 93964), (3614, 80704), (4448, 65572), (5044, 57824), (5408, 53932), (6208, 46982), (7228, 40352), (8896, 32786), (10088, 28912), (10816, 26966), (12416, 23491), (13483, 21632), (14456, 20176), (16393, 17792)]