25813736

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 53439660

約数和(自身を除く): 27625924

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 169, 244, 313, 338, 488, 626, 676, 793, 1252, 1352, 1586, 2504, 3172, 4069, 6344, 8138, 10309, 16276, 19093, 20618, 32552, 38186, 41236, 52897, 76372, 82472, 105794, 152744, 211588, 248209, 423176, 496418, 992836, 1985672, 3226717, 6453434, 12906868, 25813736]

約数ペア:

[(1, 25813736), (2, 12906868), (4, 6453434), (8, 3226717), (13, 1985672), (26, 992836), (52, 496418), (61, 423176), (104, 248209), (122, 211588), (169, 152744), (244, 105794), (313, 82472), (338, 76372), (488, 52897), (626, 41236), (676, 38186), (793, 32552), (1252, 20618), (1352, 19093), (1586, 16276), (2504, 10309), (3172, 8138), (4069, 6344)]