669386224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103813}}^1$

素因数の和:103865

約数の個数: 40

約数和(自身を含む): 1441768832

約数和(自身を除く): 772382608

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 103813, 207626, 415252, 830504, 1349569, 1661008, 2699138, 3218203, 5398276, 6436406, 10796552, 12872812, 21593104, 25745624, 41836639, 51491248, 83673278, 167346556, 334693112, 669386224]

約数ペア:

[(1, 669386224), (2, 334693112), (4, 167346556), (8, 83673278), (13, 51491248), (16, 41836639), (26, 25745624), (31, 21593104), (52, 12872812), (62, 10796552), (104, 6436406), (124, 5398276), (208, 3218203), (248, 2699138), (403, 1661008), (496, 1349569), (806, 830504), (1612, 415252), (3224, 207626), (6448, 103813)]