81658174

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{773}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 140434560

約数和(自身を除く): 58776386

約数列:

[1, 2, 13, 17, 26, 34, 221, 239, 442, 478, 773, 1546, 3107, 4063, 6214, 8126, 10049, 13141, 20098, 26282, 52819, 105638, 170833, 184747, 341666, 369494, 2401711, 3140699, 4803422, 6281398, 40829087, 81658174]

約数ペア:

[(1, 81658174), (2, 40829087), (13, 6281398), (17, 4803422), (26, 3140699), (34, 2401711), (221, 369494), (239, 341666), (442, 184747), (478, 170833), (773, 105638), (1546, 52819), (3107, 26282), (4063, 20098), (6214, 13141), (8126, 10049)]