131312435

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 170311680

約数和(自身を除く): 38999245

約数列:

[1, 5, 29, 31, 131, 145, 155, 223, 655, 899, 1115, 3799, 4061, 4495, 6467, 6913, 18995, 20305, 29213, 32335, 34565, 117769, 146065, 200477, 588845, 847177, 905603, 1002385, 4235885, 4528015, 26262487, 131312435]

約数ペア:

[(1, 131312435), (5, 26262487), (29, 4528015), (31, 4235885), (131, 1002385), (145, 905603), (155, 847177), (223, 588845), (655, 200477), (899, 146065), (1115, 117769), (3799, 34565), (4061, 32335), (4495, 29213), (6467, 20305), (6913, 18995)]