201221690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{14983}}^1$

素因数の和:15086

約数の個数: 32

約数和(自身を含む): 388385280

約数和(自身を除く): 187163590

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 6715, 13430, 14983, 29966, 74915, 149830, 254711, 509422, 1183657, 1273555, 2367314, 2547110, 5918285, 11836570, 20122169, 40244338, 100610845, 201221690]

約数ペア:

[(1, 201221690), (2, 100610845), (5, 40244338), (10, 20122169), (17, 11836570), (34, 5918285), (79, 2547110), (85, 2367314), (158, 1273555), (170, 1183657), (395, 509422), (790, 254711), (1343, 149830), (2686, 74915), (6715, 29966), (13430, 14983)]