157397786

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2043

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 161936614

約数列:

[1, 2, 7, 13, 14, 19, 23, 26, 38, 46, 91, 133, 161, 182, 247, 266, 299, 322, 437, 494, 598, 874, 1729, 1979, 2093, 3059, 3458, 3958, 4186, 5681, 6118, 11362, 13853, 25727, 27706, 37601, 39767, 45517, 51454, 75202, 79534, 91034, 180089, 263207, 318619, 360178, 488813, 526414, 591721, 637238, 864823, 977626, 1183442, 1729646, 3421691, 4142047, 6053761, 6843382, 8284094, 11242699, 12107522, 22485398, 78698893, 157397786]

約数ペア:

[(1, 157397786), (2, 78698893), (7, 22485398), (13, 12107522), (14, 11242699), (19, 8284094), (23, 6843382), (26, 6053761), (38, 4142047), (46, 3421691), (91, 1729646), (133, 1183442), (161, 977626), (182, 864823), (247, 637238), (266, 591721), (299, 526414), (322, 488813), (437, 360178), (494, 318619), (598, 263207), (874, 180089), (1729, 91034), (1979, 79534), (2093, 75202), (3059, 51454), (3458, 45517), (3958, 39767), (4186, 37601), (5681, 27706), (6118, 25727), (11362, 13853)]