87921498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 208327680

約数和(自身を除く): 120406182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 89, 129, 178, 258, 267, 301, 534, 547, 602, 623, 903, 1094, 1246, 1641, 1806, 1869, 3282, 3738, 3827, 3829, 7654, 7658, 11481, 11487, 22962, 22974, 23521, 26789, 47042, 48683, 53578, 70563, 80367, 97366, 141126, 146049, 160734, 164647, 292098, 329294, 340781, 493941, 681562, 987882, 1022343, 2044686, 2093369, 4186738, 6280107, 12560214, 14653583, 29307166, 43960749, 87921498]

約数ペア:

[(1, 87921498), (2, 43960749), (3, 29307166), (6, 14653583), (7, 12560214), (14, 6280107), (21, 4186738), (42, 2093369), (43, 2044686), (86, 1022343), (89, 987882), (129, 681562), (178, 493941), (258, 340781), (267, 329294), (301, 292098), (534, 164647), (547, 160734), (602, 146049), (623, 141126), (903, 97366), (1094, 80367), (1246, 70563), (1641, 53578), (1806, 48683), (1869, 47042), (3282, 26789), (3738, 23521), (3827, 22974), (3829, 22962), (7654, 11487), (7658, 11481)]