31165970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 63201600

約数和(自身を除く): 32035630

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 599, 605, 946, 1198, 1210, 2365, 2995, 4730, 5203, 5990, 6589, 10406, 13178, 25757, 26015, 32945, 51514, 52030, 65890, 72479, 128785, 144958, 257570, 283327, 362395, 566654, 724790, 1416635, 2833270, 3116597, 6233194, 15582985, 31165970]

約数ペア:

[(1, 31165970), (2, 15582985), (5, 6233194), (10, 3116597), (11, 2833270), (22, 1416635), (43, 724790), (55, 566654), (86, 362395), (110, 283327), (121, 257570), (215, 144958), (242, 128785), (430, 72479), (473, 65890), (599, 52030), (605, 51514), (946, 32945), (1198, 26015), (1210, 25757), (2365, 13178), (2995, 10406), (4730, 6589), (5203, 5990)]