31506670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 62348832

約数和(自身を除く): 30842162

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 169, 181, 206, 338, 362, 515, 845, 905, 1030, 1339, 1690, 1810, 2353, 2678, 4706, 6695, 11765, 13390, 17407, 18643, 23530, 30589, 34814, 37286, 61178, 87035, 93215, 152945, 174070, 186430, 242359, 305890, 484718, 1211795, 2423590, 3150667, 6301334, 15753335, 31506670]

約数ペア:

[(1, 31506670), (2, 15753335), (5, 6301334), (10, 3150667), (13, 2423590), (26, 1211795), (65, 484718), (103, 305890), (130, 242359), (169, 186430), (181, 174070), (206, 152945), (338, 93215), (362, 87035), (515, 61178), (845, 37286), (905, 34814), (1030, 30589), (1339, 23530), (1690, 18643), (1810, 17407), (2353, 13390), (2678, 11765), (4706, 6695)]