1645254

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 3931200

約数和(自身を除く): 2285946

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 89, 117, 158, 178, 234, 237, 267, 474, 534, 711, 801, 1027, 1157, 1422, 1602, 2054, 2314, 3081, 3471, 6162, 6942, 7031, 9243, 10413, 14062, 18486, 20826, 21093, 42186, 63279, 91403, 126558, 182806, 274209, 548418, 822627, 1645254]

約数ペア:

[(1, 1645254), (2, 822627), (3, 548418), (6, 274209), (9, 182806), (13, 126558), (18, 91403), (26, 63279), (39, 42186), (78, 21093), (79, 20826), (89, 18486), (117, 14062), (158, 10413), (178, 9243), (234, 7031), (237, 6942), (267, 6162), (474, 3471), (534, 3081), (711, 2314), (801, 2054), (1027, 1602), (1157, 1422)]