81997384

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7213}}^1$

素因数の和:7262

約数の個数: 48

約数和(自身を含む): 185039100

約数和(自身を除く): 103041716

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1624, 2842, 5684, 7213, 11368, 14426, 28852, 50491, 57704, 100982, 201964, 209177, 353437, 403928, 418354, 706874, 836708, 1413748, 1464239, 1673416, 2827496, 2928478, 5856956, 10249673, 11713912, 20499346, 40998692, 81997384]

約数ペア:

[(1, 81997384), (2, 40998692), (4, 20499346), (7, 11713912), (8, 10249673), (14, 5856956), (28, 2928478), (29, 2827496), (49, 1673416), (56, 1464239), (58, 1413748), (98, 836708), (116, 706874), (196, 418354), (203, 403928), (232, 353437), (392, 209177), (406, 201964), (812, 100982), (1421, 57704), (1624, 50491), (2842, 28852), (5684, 14426), (7213, 11368)]