320751808

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{385519}}^1$

素因数の和:385544

約数の個数: 28

約数和(自身を含む): 685454560

約数和(自身を除く): 364702752

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 385519, 771038, 1542076, 3084152, 5011747, 6168304, 10023494, 12336608, 20046988, 24673216, 40093976, 80187952, 160375904, 320751808]

約数ペア:

[(1, 320751808), (2, 160375904), (4, 80187952), (8, 40093976), (13, 24673216), (16, 20046988), (26, 12336608), (32, 10023494), (52, 6168304), (64, 5011747), (104, 3084152), (208, 1542076), (416, 771038), (832, 385519)]