987437612

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{70957}}^1$

素因数の和:71046

約数の個数: 36

約数和(自身を含む): 2038481424

約数和(自身を除く): 1051043812

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 3479, 6958, 13916, 70957, 141914, 283828, 496699, 993398, 1986796, 3476893, 5037947, 6953786, 10075894, 13907572, 20151788, 35265629, 70531258, 141062516, 246859403, 493718806, 987437612]

約数ペア:

[(1, 987437612), (2, 493718806), (4, 246859403), (7, 141062516), (14, 70531258), (28, 35265629), (49, 20151788), (71, 13907572), (98, 10075894), (142, 6953786), (196, 5037947), (284, 3476893), (497, 1986796), (994, 993398), (1988, 496699), (3479, 283828), (6958, 141914), (13916, 70957)]