664984788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{3307}}^1$

素因数の和:4616

約数の個数: 48

約数和(自身を含む): 1672789440

約数和(自身を除く): 1007804652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1289, 2578, 3307, 3867, 5156, 6614, 7734, 9921, 13228, 15468, 16757, 19842, 33514, 39684, 42991, 50271, 67028, 85982, 100542, 128973, 171964, 201084, 257946, 515892, 4262723, 8525446, 12788169, 17050892, 25576338, 51152676, 55415399, 110830798, 166246197, 221661596, 332492394, 664984788]

約数ペア:

[(1, 664984788), (2, 332492394), (3, 221661596), (4, 166246197), (6, 110830798), (12, 55415399), (13, 51152676), (26, 25576338), (39, 17050892), (52, 12788169), (78, 8525446), (156, 4262723), (1289, 515892), (2578, 257946), (3307, 201084), (3867, 171964), (5156, 128973), (6614, 100542), (7734, 85982), (9921, 67028), (13228, 50271), (15468, 42991), (16757, 39684), (19842, 33514)]