1640441384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389099}}^1$

素因数の和:389153

約数の個数: 32

約数和(自身を含む): 3361824000

約数和(自身を除く): 1721382616

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 389099, 778198, 1556396, 3112792, 6614683, 12062069, 13229366, 24124138, 26458732, 48248276, 52917464, 96496552, 205055173, 410110346, 820220692, 1640441384]

約数ペア:

[(1, 1640441384), (2, 820220692), (4, 410110346), (8, 205055173), (17, 96496552), (31, 52917464), (34, 48248276), (62, 26458732), (68, 24124138), (124, 13229366), (136, 12062069), (248, 6614683), (527, 3112792), (1054, 1556396), (2108, 778198), (4216, 389099)]