645435644

素因数分解:

$2^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{11719}}^1$

素因数の和:12018

約数の個数: 36

約数和(自身を含む): 1318710960

約数和(自身を除く): 673275316

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 281, 562, 1124, 1967, 3934, 7868, 11719, 13769, 23438, 27538, 46876, 55076, 82033, 164066, 328132, 574231, 1148462, 2296924, 3293039, 6586078, 13172156, 23051273, 46102546, 92205092, 161358911, 322717822, 645435644]

約数ペア:

[(1, 645435644), (2, 322717822), (4, 161358911), (7, 92205092), (14, 46102546), (28, 23051273), (49, 13172156), (98, 6586078), (196, 3293039), (281, 2296924), (562, 1148462), (1124, 574231), (1967, 328132), (3934, 164066), (7868, 82033), (11719, 55076), (13769, 46876), (23438, 27538)]