1638910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1828

約数の個数: 32

約数和(自身を含む): 3632832

約数和(自身を除く): 1993922

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1801, 3602, 9005, 12607, 18010, 23413, 25214, 46826, 63035, 117065, 126070, 163891, 234130, 327782, 819455, 1638910]

約数ペア:

[(1, 1638910), (2, 819455), (5, 327782), (7, 234130), (10, 163891), (13, 126070), (14, 117065), (26, 63035), (35, 46826), (65, 25214), (70, 23413), (91, 18010), (130, 12607), (182, 9005), (455, 3602), (910, 1801)]