78840068

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{701}}^1\times {\mathrm{907}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 142781184

約数和(自身を除く): 63941116

約数列:

[1, 2, 4, 31, 62, 124, 701, 907, 1402, 1814, 2804, 3628, 21731, 28117, 43462, 56234, 86924, 112468, 635807, 1271614, 2543228, 19710017, 39420034, 78840068]

約数ペア:

[(1, 78840068), (2, 39420034), (4, 19710017), (31, 2543228), (62, 1271614), (124, 635807), (701, 112468), (907, 86924), (1402, 56234), (1814, 43462), (2804, 28117), (3628, 21731)]