30971408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2441}}^1$

素因数の和:2523

約数の個数: 40

約数和(自身を含む): 65709336

約数和(自身を除く): 34737928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2441, 3172, 4882, 6344, 9764, 12688, 19528, 31733, 39056, 63466, 126932, 148901, 253864, 297802, 507728, 595604, 1191208, 1935713, 2382416, 3871426, 7742852, 15485704, 30971408]

約数ペア:

[(1, 30971408), (2, 15485704), (4, 7742852), (8, 3871426), (13, 2382416), (16, 1935713), (26, 1191208), (52, 595604), (61, 507728), (104, 297802), (122, 253864), (208, 148901), (244, 126932), (488, 63466), (793, 39056), (976, 31733), (1586, 19528), (2441, 12688), (3172, 9764), (4882, 6344)]