81649205834

素因数分解:

$2^1\times 7^1\times {\mathrm{28181}}^1\times {\mathrm{206951}}^1$

素因数の和:235141

約数の個数: 16

約数和(自身を含む): 139975710336

約数和(自身を除く): 58326504502

約数列:

[1, 2, 7, 14, 28181, 56362, 197267, 206951, 394534, 413902, 1448657, 2897314, 5832086131, 11664172262, 40824602917, 81649205834]

約数ペア:

[(1, 81649205834), (2, 40824602917), (7, 11664172262), (14, 5832086131), (28181, 2897314), (56362, 1448657), (197267, 413902), (206951, 394534)]