31519930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6553}}^1$

素因数の和:6610

約数の個数: 32

約数和(自身を含む): 62761104

約数和(自身を除く): 31241174

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 6553, 13106, 32765, 65530, 85189, 170378, 242461, 425945, 484922, 851890, 1212305, 2424610, 3151993, 6303986, 15759965, 31519930]

約数ペア:

[(1, 31519930), (2, 15759965), (5, 6303986), (10, 3151993), (13, 2424610), (26, 1212305), (37, 851890), (65, 484922), (74, 425945), (130, 242461), (185, 170378), (370, 85189), (481, 65530), (962, 32765), (2405, 13106), (4810, 6553)]