87868490

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 161421120

約数和(自身を除く): 73552630

約数列:

[1, 2, 5, 10, 67, 134, 313, 335, 419, 626, 670, 838, 1565, 2095, 3130, 4190, 20971, 28073, 41942, 56146, 104855, 131147, 140365, 209710, 262294, 280730, 655735, 1311470, 8786849, 17573698, 43934245, 87868490]

約数ペア:

[(1, 87868490), (2, 43934245), (5, 17573698), (10, 8786849), (67, 1311470), (134, 655735), (313, 280730), (335, 262294), (419, 209710), (626, 140365), (670, 131147), (838, 104855), (1565, 56146), (2095, 41942), (3130, 28073), (4190, 20971)]