28501970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9931}}^1$

素因数の和:9986

約数の個数: 32

約数和(自身を含む): 60068736

約数和(自身を除く): 31566766

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 9931, 19862, 49655, 69517, 99310, 139034, 347585, 407171, 695170, 814342, 2035855, 2850197, 4071710, 5700394, 14250985, 28501970]

約数ペア:

[(1, 28501970), (2, 14250985), (5, 5700394), (7, 4071710), (10, 2850197), (14, 2035855), (35, 814342), (41, 695170), (70, 407171), (82, 347585), (205, 139034), (287, 99310), (410, 69517), (574, 49655), (1435, 19862), (2870, 9931)]