31018835

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 10038445

約数列:

[1, 5, 23, 29, 71, 115, 131, 145, 355, 655, 667, 1633, 2059, 3013, 3335, 3799, 8165, 9301, 10295, 15065, 18995, 46505, 47357, 87377, 213923, 236785, 269729, 436885, 1069615, 1348645, 6203767, 31018835]

約数ペア:

[(1, 31018835), (5, 6203767), (23, 1348645), (29, 1069615), (71, 436885), (115, 269729), (131, 236785), (145, 213923), (355, 87377), (655, 47357), (667, 46505), (1633, 18995), (2059, 15065), (3013, 10295), (3335, 9301), (3799, 8165)]