81293208

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 207360000

約数和(自身を除く): 126066792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 149, 179, 254, 298, 358, 381, 447, 508, 537, 596, 716, 762, 894, 1016, 1074, 1192, 1432, 1524, 1788, 2148, 3048, 3576, 4296, 18923, 22733, 26671, 37846, 45466, 53342, 56769, 68199, 75692, 80013, 90932, 106684, 113538, 136398, 151384, 160026, 181864, 213368, 227076, 272796, 320052, 454152, 545592, 640104, 3387217, 6774434, 10161651, 13548868, 20323302, 27097736, 40646604, 81293208]

約数ペア:

[(1, 81293208), (2, 40646604), (3, 27097736), (4, 20323302), (6, 13548868), (8, 10161651), (12, 6774434), (24, 3387217), (127, 640104), (149, 545592), (179, 454152), (254, 320052), (298, 272796), (358, 227076), (381, 213368), (447, 181864), (508, 160026), (537, 151384), (596, 136398), (716, 113538), (762, 106684), (894, 90932), (1016, 80013), (1074, 75692), (1192, 68199), (1432, 56769), (1524, 53342), (1788, 45466), (2148, 37846), (3048, 26671), (3576, 22733), (4296, 18923)]