128778642

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{63313}}^1$

素因数の和:63434

約数の個数: 24

約数和(自身を含む): 281494044

約数和(自身を除く): 152715402

約数列:

[1, 2, 3, 6, 9, 18, 113, 226, 339, 678, 1017, 2034, 63313, 126626, 189939, 379878, 569817, 1139634, 7154369, 14308738, 21463107, 42926214, 64389321, 128778642]

約数ペア:

[(1, 128778642), (2, 64389321), (3, 42926214), (6, 21463107), (9, 14308738), (18, 7154369), (113, 1139634), (226, 569817), (339, 379878), (678, 189939), (1017, 126626), (2034, 63313)]