389362168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{70639}}^1$

素因数の和:70711

約数の個数: 32

約数和(自身を含む): 801057600

約数和(自身を除く): 411695432

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 70639, 141278, 282556, 565112, 918307, 1836614, 3673228, 3743867, 7346456, 7487734, 14975468, 29950936, 48670271, 97340542, 194681084, 389362168]

約数ペア:

[(1, 389362168), (2, 194681084), (4, 97340542), (8, 48670271), (13, 29950936), (26, 14975468), (52, 7487734), (53, 7346456), (104, 3743867), (106, 3673228), (212, 1836614), (424, 918307), (689, 565112), (1378, 282556), (2756, 141278), (5512, 70639)]