25798448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4053

約数の個数: 40

約数和(自身を含む): 55579776

約数和(自身を除く): 29781328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 4001, 6448, 8002, 16004, 32008, 52013, 64016, 104026, 124031, 208052, 248062, 416104, 496124, 832208, 992248, 1612403, 1984496, 3224806, 6449612, 12899224, 25798448]

約数ペア:

[(1, 25798448), (2, 12899224), (4, 6449612), (8, 3224806), (13, 1984496), (16, 1612403), (26, 992248), (31, 832208), (52, 496124), (62, 416104), (104, 248062), (124, 208052), (208, 124031), (248, 104026), (403, 64016), (496, 52013), (806, 32008), (1612, 16004), (3224, 8002), (4001, 6448)]