208137460895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{173209}}^1$

素因数の和:173392

約数の個数: 64

約数和(自身を含む): 325911936000

約数和(自身を除く): 117774475105

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 139, 247, 455, 665, 695, 973, 1235, 1729, 1807, 2641, 4865, 8645, 9035, 12649, 13205, 18487, 34333, 63245, 92435, 171665, 173209, 240331, 866045, 1201655, 1212463, 2251717, 3290971, 6062315, 11258585, 15762019, 16454855, 23036797, 24076051, 42782623, 78810095, 115183985, 120380255, 168532357, 213913115, 299478361, 312988663, 457444969, 842661785, 1497391805, 1564943315, 2190920641, 2287224845, 3202114783, 5946784597, 10954603205, 16010573915, 29733922985, 41627492179, 208137460895]

約数ペア:

[(1, 208137460895), (5, 41627492179), (7, 29733922985), (13, 16010573915), (19, 10954603205), (35, 5946784597), (65, 3202114783), (91, 2287224845), (95, 2190920641), (133, 1564943315), (139, 1497391805), (247, 842661785), (455, 457444969), (665, 312988663), (695, 299478361), (973, 213913115), (1235, 168532357), (1729, 120380255), (1807, 115183985), (2641, 78810095), (4865, 42782623), (8645, 24076051), (9035, 23036797), (12649, 16454855), (13205, 15762019), (18487, 11258585), (34333, 6062315), (63245, 3290971), (92435, 2251717), (171665, 1212463), (173209, 1201655), (240331, 866045)]