31115630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1161

約数の個数: 64

約数和(自身を含む): 71221248

約数和(自身を除く): 40105618

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 1103, 2015, 2170, 2206, 2821, 4030, 5515, 5642, 7721, 11030, 14105, 14339, 15442, 28210, 28678, 34193, 38605, 68386, 71695, 77210, 100373, 143390, 170965, 200746, 239351, 341930, 444509, 478702, 501865, 889018, 1003730, 1196755, 2222545, 2393510, 3111563, 4445090, 6223126, 15557815, 31115630]

約数ペア:

[(1, 31115630), (2, 15557815), (5, 6223126), (7, 4445090), (10, 3111563), (13, 2393510), (14, 2222545), (26, 1196755), (31, 1003730), (35, 889018), (62, 501865), (65, 478702), (70, 444509), (91, 341930), (130, 239351), (155, 200746), (182, 170965), (217, 143390), (310, 100373), (403, 77210), (434, 71695), (455, 68386), (806, 38605), (910, 34193), (1085, 28678), (1103, 28210), (2015, 15442), (2170, 14339), (2206, 14105), (2821, 11030), (4030, 7721), (5515, 5642)]