231644816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{18257}}^1$

素因数の和:18339

約数の個数: 40

約数和(自身を含む): 491286264

約数和(自身を除く): 259641448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 18257, 36514, 73028, 146056, 237341, 292112, 474682, 949364, 1113677, 1898728, 2227354, 3797456, 4454708, 8909416, 14477801, 17818832, 28955602, 57911204, 115822408, 231644816]

約数ペア:

[(1, 231644816), (2, 115822408), (4, 57911204), (8, 28955602), (13, 17818832), (16, 14477801), (26, 8909416), (52, 4454708), (61, 3797456), (104, 2227354), (122, 1898728), (208, 1113677), (244, 949364), (488, 474682), (793, 292112), (976, 237341), (1586, 146056), (3172, 73028), (6344, 36514), (12688, 18257)]