31153928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 67858560

約数和(自身を除く): 36704632

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 67, 68, 104, 134, 136, 221, 263, 268, 442, 526, 536, 871, 884, 1052, 1139, 1742, 1768, 2104, 2278, 3419, 3484, 4471, 4556, 6838, 6968, 8942, 9112, 13676, 14807, 17621, 17884, 27352, 29614, 35242, 35768, 58123, 59228, 70484, 116246, 118456, 140968, 229073, 232492, 299557, 458146, 464984, 599114, 916292, 1198228, 1832584, 2396456, 3894241, 7788482, 15576964, 31153928]

約数ペア:

[(1, 31153928), (2, 15576964), (4, 7788482), (8, 3894241), (13, 2396456), (17, 1832584), (26, 1198228), (34, 916292), (52, 599114), (67, 464984), (68, 458146), (104, 299557), (134, 232492), (136, 229073), (221, 140968), (263, 118456), (268, 116246), (442, 70484), (526, 59228), (536, 58123), (871, 35768), (884, 35242), (1052, 29614), (1139, 27352), (1742, 17884), (1768, 17621), (2104, 14807), (2278, 13676), (3419, 9112), (3484, 8942), (4471, 6968), (4556, 6838)]