68996390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 129254400

約数和(自身を除く): 60258010

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 1310, 1699, 3398, 4061, 8122, 8495, 16990, 20305, 40610, 52669, 105338, 222569, 263345, 445138, 526690, 1112845, 2225690, 6899639, 13799278, 34498195, 68996390]

約数ペア:

[(1, 68996390), (2, 34498195), (5, 13799278), (10, 6899639), (31, 2225690), (62, 1112845), (131, 526690), (155, 445138), (262, 263345), (310, 222569), (655, 105338), (1310, 52669), (1699, 40610), (3398, 20305), (4061, 16990), (8122, 8495)]