1664456444

素因数分解:

$2^2\times 7^1\times {\mathrm{5309}}^1\times {\mathrm{11197}}^1$

素因数の和:16517

約数の個数: 24

約数和(自身を含む): 3329837280

約数和(自身を除く): 1665380836

約数列:

[1, 2, 4, 7, 14, 28, 5309, 10618, 11197, 21236, 22394, 37163, 44788, 74326, 78379, 148652, 156758, 313516, 59444873, 118889746, 237779492, 416114111, 832228222, 1664456444]

約数ペア:

[(1, 1664456444), (2, 832228222), (4, 416114111), (7, 237779492), (14, 118889746), (28, 59444873), (5309, 313516), (10618, 156758), (11197, 148652), (21236, 78379), (22394, 74326), (37163, 44788)]