127940816

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{797}}^1$

素因数の和:1011

約数の個数: 40

約数和(自身を含む): 253317120

約数和(自身を除く): 125376304

約数列:

[1, 2, 4, 8, 16, 79, 127, 158, 254, 316, 508, 632, 797, 1016, 1264, 1594, 2032, 3188, 6376, 10033, 12752, 20066, 40132, 62963, 80264, 101219, 125926, 160528, 202438, 251852, 404876, 503704, 809752, 1007408, 1619504, 7996301, 15992602, 31985204, 63970408, 127940816]

約数ペア:

[(1, 127940816), (2, 63970408), (4, 31985204), (8, 15992602), (16, 7996301), (79, 1619504), (127, 1007408), (158, 809752), (254, 503704), (316, 404876), (508, 251852), (632, 202438), (797, 160528), (1016, 125926), (1264, 101219), (1594, 80264), (2032, 62963), (3188, 40132), (6376, 20066), (10033, 12752)]