30891568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:665

約数の個数: 40

約数和(自身を含む): 63398720

約数和(自身を除く): 32507152

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 307, 331, 614, 662, 1228, 1324, 2456, 2648, 4912, 5296, 5833, 6289, 11666, 12578, 23332, 25156, 46664, 50312, 93328, 100624, 101617, 203234, 406468, 812936, 1625872, 1930723, 3861446, 7722892, 15445784, 30891568]

約数ペア:

[(1, 30891568), (2, 15445784), (4, 7722892), (8, 3861446), (16, 1930723), (19, 1625872), (38, 812936), (76, 406468), (152, 203234), (304, 101617), (307, 100624), (331, 93328), (614, 50312), (662, 46664), (1228, 25156), (1324, 23332), (2456, 12578), (2648, 11666), (4912, 6289), (5296, 5833)]