658035872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{20023}}^1$

素因数の和:20125

約数の個数: 48

約数和(自身を含む): 1412893440

約数和(自身を除く): 754857568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 632, 1027, 1264, 2054, 2528, 4108, 8216, 16432, 20023, 32864, 40046, 80092, 160184, 260299, 320368, 520598, 640736, 1041196, 1581817, 2082392, 3163634, 4164784, 6327268, 8329568, 12654536, 20563621, 25309072, 41127242, 50618144, 82254484, 164508968, 329017936, 658035872]

約数ペア:

[(1, 658035872), (2, 329017936), (4, 164508968), (8, 82254484), (13, 50618144), (16, 41127242), (26, 25309072), (32, 20563621), (52, 12654536), (79, 8329568), (104, 6327268), (158, 4164784), (208, 3163634), (316, 2082392), (416, 1581817), (632, 1041196), (1027, 640736), (1264, 520598), (2054, 320368), (2528, 260299), (4108, 160184), (8216, 80092), (16432, 40046), (20023, 32864)]