638366562

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{3089}}^1$

素因数の和:3232

約数の個数: 64

約数和(自身を含む): 1468368000

約数和(自身を除く): 830001438

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 89, 129, 178, 258, 267, 387, 534, 774, 801, 1161, 1602, 2322, 2403, 3089, 3827, 4806, 6178, 7654, 9267, 11481, 18534, 22962, 27801, 34443, 55602, 68886, 83403, 103329, 132827, 166806, 206658, 265654, 274921, 398481, 549842, 796962, 824763, 1195443, 1649526, 2390886, 2474289, 3586329, 4948578, 7172658, 7422867, 11821603, 14845734, 23643206, 35464809, 70929618, 106394427, 212788854, 319183281, 638366562]

約数ペア:

[(1, 638366562), (2, 319183281), (3, 212788854), (6, 106394427), (9, 70929618), (18, 35464809), (27, 23643206), (43, 14845734), (54, 11821603), (86, 7422867), (89, 7172658), (129, 4948578), (178, 3586329), (258, 2474289), (267, 2390886), (387, 1649526), (534, 1195443), (774, 824763), (801, 796962), (1161, 549842), (1602, 398481), (2322, 274921), (2403, 265654), (3089, 206658), (3827, 166806), (4806, 132827), (6178, 103329), (7654, 83403), (9267, 68886), (11481, 55602), (18534, 34443), (22962, 27801)]