16913477

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 21313440

約数和(自身を除く): 4399963

約数列:

[1, 7, 19, 37, 49, 133, 259, 491, 703, 931, 1813, 3437, 4921, 9329, 18167, 24059, 34447, 65303, 127169, 345173, 457121, 890183, 2416211, 16913477]

約数ペア:

[(1, 16913477), (7, 2416211), (19, 890183), (37, 457121), (49, 345173), (133, 127169), (259, 65303), (491, 34447), (703, 24059), (931, 18167), (1813, 9329), (3437, 4921)]