645606

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 1572480

約数和(自身を除く): 926874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 89, 93, 117, 178, 186, 234, 267, 279, 403, 534, 558, 801, 806, 1157, 1209, 1602, 2314, 2418, 2759, 3471, 3627, 5518, 6942, 7254, 8277, 10413, 16554, 20826, 24831, 35867, 49662, 71734, 107601, 215202, 322803, 645606]

約数ペア:

[(1, 645606), (2, 322803), (3, 215202), (6, 107601), (9, 71734), (13, 49662), (18, 35867), (26, 24831), (31, 20826), (39, 16554), (62, 10413), (78, 8277), (89, 7254), (93, 6942), (117, 5518), (178, 3627), (186, 3471), (234, 2759), (267, 2418), (279, 2314), (403, 1602), (534, 1209), (558, 1157), (801, 806)]