157311505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 209018880

約数和(自身を除く): 51707375

約数列:

[1, 5, 13, 65, 71, 89, 355, 383, 445, 923, 1157, 1915, 4615, 4979, 5785, 6319, 24895, 27193, 31595, 34087, 82147, 135965, 170435, 353509, 410735, 443131, 1767545, 2215655, 2420177, 12100885, 31462301, 157311505]

約数ペア:

[(1, 157311505), (5, 31462301), (13, 12100885), (65, 2420177), (71, 2215655), (89, 1767545), (355, 443131), (383, 410735), (445, 353509), (923, 170435), (1157, 135965), (1915, 82147), (4615, 34087), (4979, 31595), (5785, 27193), (6319, 24895)]