281190832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43609}}^1$

素因数の和:43661

約数の個数: 40

約数和(自身を含む): 605655680

約数和(自身を除く): 324464848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 43609, 87218, 174436, 348872, 566917, 697744, 1133834, 1351879, 2267668, 2703758, 4535336, 5407516, 9070672, 10815032, 17574427, 21630064, 35148854, 70297708, 140595416, 281190832]

約数ペア:

[(1, 281190832), (2, 140595416), (4, 70297708), (8, 35148854), (13, 21630064), (16, 17574427), (26, 10815032), (31, 9070672), (52, 5407516), (62, 4535336), (104, 2703758), (124, 2267668), (208, 1351879), (248, 1133834), (403, 697744), (496, 566917), (806, 348872), (1612, 174436), (3224, 87218), (6448, 43609)]