78809488

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{9677}}^1$

素因数の和:10194

約数の個数: 20

約数和(自身を含む): 153009180

約数和(自身を除く): 74199692

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 9677, 19354, 38708, 77416, 154832, 4925593, 9851186, 19702372, 39404744, 78809488]

約数ペア:

[(1, 78809488), (2, 39404744), (4, 19702372), (8, 9851186), (16, 4925593), (509, 154832), (1018, 77416), (2036, 38708), (4072, 19354), (8144, 9677)]