491348312

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{674929}}^1$

素因数の和:674955

約数の個数: 32

約数和(自身を含む): 1133882400

約数和(自身を除く): 642534088

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 674929, 1349858, 2699716, 4724503, 5399432, 8774077, 9449006, 17548154, 18898012, 35096308, 37796024, 61418539, 70192616, 122837078, 245674156, 491348312]

約数ペア:

[(1, 491348312), (2, 245674156), (4, 122837078), (7, 70192616), (8, 61418539), (13, 37796024), (14, 35096308), (26, 18898012), (28, 17548154), (52, 9449006), (56, 8774077), (91, 5399432), (104, 4724503), (182, 2699716), (364, 1349858), (728, 674929)]