78517714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 131155200

約数和(自身を除く): 52637486

約数列:

[1, 2, 11, 22, 109, 137, 218, 239, 274, 478, 1199, 1507, 2398, 2629, 3014, 5258, 14933, 26051, 29866, 32743, 52102, 65486, 164263, 286561, 328526, 360173, 573122, 720346, 3568987, 7137974, 39258857, 78517714]

約数ペア:

[(1, 78517714), (2, 39258857), (11, 7137974), (22, 3568987), (109, 720346), (137, 573122), (218, 360173), (239, 328526), (274, 286561), (478, 164263), (1199, 65486), (1507, 52102), (2398, 32743), (2629, 29866), (3014, 26051), (5258, 14933)]