81368476

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78541}}^1$

素因数の和:78589

約数の個数: 24

約数和(自身を含む): 167137376

約数和(自身を除く): 85768900

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 78541, 157082, 314164, 549787, 1099574, 2199148, 2906017, 5812034, 11624068, 20342119, 40684238, 81368476]

約数ペア:

[(1, 81368476), (2, 40684238), (4, 20342119), (7, 11624068), (14, 5812034), (28, 2906017), (37, 2199148), (74, 1099574), (148, 549787), (259, 314164), (518, 157082), (1036, 78541)]