51978612

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 142554720

約数和(自身を除く): 90576108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 109, 147, 196, 218, 294, 327, 436, 588, 654, 763, 811, 1308, 1526, 1622, 2289, 2433, 3052, 3244, 4578, 4866, 5341, 5677, 9156, 9732, 10682, 11354, 16023, 17031, 21364, 22708, 32046, 34062, 39739, 64092, 68124, 79478, 88399, 119217, 158956, 176798, 238434, 265197, 353596, 476868, 530394, 618793, 1060788, 1237586, 1856379, 2475172, 3712758, 4331551, 7425516, 8663102, 12994653, 17326204, 25989306, 51978612]

約数ペア:

[(1, 51978612), (2, 25989306), (3, 17326204), (4, 12994653), (6, 8663102), (7, 7425516), (12, 4331551), (14, 3712758), (21, 2475172), (28, 1856379), (42, 1237586), (49, 1060788), (84, 618793), (98, 530394), (109, 476868), (147, 353596), (196, 265197), (218, 238434), (294, 176798), (327, 158956), (436, 119217), (588, 88399), (654, 79478), (763, 68124), (811, 64092), (1308, 39739), (1526, 34062), (1622, 32046), (2289, 22708), (2433, 21364), (3052, 17031), (3244, 16023), (4578, 11354), (4866, 10682), (5341, 9732), (5677, 9156)]