81621112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 172915200

約数和(自身を除く): 91294088

約数列:

[1, 2, 4, 8, 19, 23, 37, 38, 46, 74, 76, 92, 148, 152, 184, 296, 437, 631, 703, 851, 874, 1262, 1406, 1702, 1748, 2524, 2812, 3404, 3496, 5048, 5624, 6808, 11989, 14513, 16169, 23347, 23978, 29026, 32338, 46694, 47956, 58052, 64676, 93388, 95912, 116104, 129352, 186776, 275747, 443593, 536981, 551494, 887186, 1073962, 1102988, 1774372, 2147924, 2205976, 3548744, 4295848, 10202639, 20405278, 40810556, 81621112]

約数ペア:

[(1, 81621112), (2, 40810556), (4, 20405278), (8, 10202639), (19, 4295848), (23, 3548744), (37, 2205976), (38, 2147924), (46, 1774372), (74, 1102988), (76, 1073962), (92, 887186), (148, 551494), (152, 536981), (184, 443593), (296, 275747), (437, 186776), (631, 129352), (703, 116104), (851, 95912), (874, 93388), (1262, 64676), (1406, 58052), (1702, 47956), (1748, 46694), (2524, 32338), (2812, 29026), (3404, 23978), (3496, 23347), (5048, 16169), (5624, 14513), (6808, 11989)]