71947216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1411

約数の個数: 40

約数和(自身を含む): 152588448

約数和(自身を除く): 80641232

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 421, 842, 971, 1684, 1942, 3368, 3884, 4631, 6736, 7768, 9262, 10681, 15536, 18524, 21362, 37048, 42724, 74096, 85448, 170896, 408791, 817582, 1635164, 3270328, 4496701, 6540656, 8993402, 17986804, 35973608, 71947216]

約数ペア:

[(1, 71947216), (2, 35973608), (4, 17986804), (8, 8993402), (11, 6540656), (16, 4496701), (22, 3270328), (44, 1635164), (88, 817582), (176, 408791), (421, 170896), (842, 85448), (971, 74096), (1684, 42724), (1942, 37048), (3368, 21362), (3884, 18524), (4631, 15536), (6736, 10681), (7768, 9262)]