1640642744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{12163}}^1$

素因数の和:13479

約数の個数: 32

約数和(自身を含む): 3315663120

約数和(自身を除く): 1675020376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1297, 2594, 5188, 10376, 12163, 16861, 24326, 33722, 48652, 67444, 97304, 134888, 158119, 316238, 632476, 1264952, 15775411, 31550822, 63101644, 126203288, 205080343, 410160686, 820321372, 1640642744]

約数ペア:

[(1, 1640642744), (2, 820321372), (4, 410160686), (8, 205080343), (13, 126203288), (26, 63101644), (52, 31550822), (104, 15775411), (1297, 1264952), (2594, 632476), (5188, 316238), (10376, 158119), (12163, 134888), (16861, 97304), (24326, 67444), (33722, 48652)]