30931576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^2$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 64423800

約数和(自身を除く): 33492224

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 71, 104, 118, 142, 236, 284, 472, 568, 767, 923, 1534, 1846, 3068, 3692, 4189, 5041, 6136, 7384, 8378, 10082, 16756, 20164, 33512, 40328, 54457, 65533, 108914, 131066, 217828, 262132, 297419, 435656, 524264, 594838, 1189676, 2379352, 3866447, 7732894, 15465788, 30931576]

約数ペア:

[(1, 30931576), (2, 15465788), (4, 7732894), (8, 3866447), (13, 2379352), (26, 1189676), (52, 594838), (59, 524264), (71, 435656), (104, 297419), (118, 262132), (142, 217828), (236, 131066), (284, 108914), (472, 65533), (568, 54457), (767, 40328), (923, 33512), (1534, 20164), (1846, 16756), (3068, 10082), (3692, 8378), (4189, 7384), (5041, 6136)]