2051201715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{607}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 3530096640

約数和(自身を除く): 1478894925

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 167, 213, 285, 355, 501, 607, 835, 1065, 1349, 1821, 2505, 3035, 3173, 4047, 6745, 9105, 9519, 11533, 11857, 15865, 20235, 34599, 35571, 43097, 47595, 57665, 59285, 101369, 129291, 172995, 177855, 215485, 225283, 304107, 506845, 646455, 675849, 818843, 1126415, 1520535, 1926011, 2456529, 3379245, 4094215, 5778033, 7197199, 9630055, 12282645, 21591597, 28890165, 35985995, 107957985, 136746781, 410240343, 683733905, 2051201715]

約数ペア:

[(1, 2051201715), (3, 683733905), (5, 410240343), (15, 136746781), (19, 107957985), (57, 35985995), (71, 28890165), (95, 21591597), (167, 12282645), (213, 9630055), (285, 7197199), (355, 5778033), (501, 4094215), (607, 3379245), (835, 2456529), (1065, 1926011), (1349, 1520535), (1821, 1126415), (2505, 818843), (3035, 675849), (3173, 646455), (4047, 506845), (6745, 304107), (9105, 225283), (9519, 215485), (11533, 177855), (11857, 172995), (15865, 129291), (20235, 101369), (34599, 59285), (35571, 57665), (43097, 47595)]