28215332

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1637}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 51367680

約数和(自身を除く): 23152348

約数列:

[1, 2, 4, 31, 62, 124, 139, 278, 556, 1637, 3274, 4309, 6548, 8618, 17236, 50747, 101494, 202988, 227543, 455086, 910172, 7053833, 14107666, 28215332]

約数ペア:

[(1, 28215332), (2, 14107666), (4, 7053833), (31, 910172), (62, 455086), (124, 227543), (139, 202988), (278, 101494), (556, 50747), (1637, 17236), (3274, 8618), (4309, 6548)]