31519418

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 55707264

約数和(自身を除く): 24187846

約数列:

[1, 2, 7, 14, 53, 106, 107, 214, 371, 397, 742, 749, 794, 1498, 2779, 5558, 5671, 11342, 21041, 39697, 42082, 42479, 79394, 84958, 147287, 294574, 297353, 594706, 2251387, 4502774, 15759709, 31519418]

約数ペア:

[(1, 31519418), (2, 15759709), (7, 4502774), (14, 2251387), (53, 594706), (106, 297353), (107, 294574), (214, 147287), (371, 84958), (397, 79394), (742, 42479), (749, 42082), (794, 39697), (1498, 21041), (2779, 11342), (5558, 5671)]