764218

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 1581120

約数和(自身を除く): 816902

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 38, 91, 119, 133, 169, 182, 221, 238, 247, 266, 323, 338, 442, 494, 646, 1183, 1547, 1729, 2261, 2366, 2873, 3094, 3211, 3458, 4199, 4522, 5746, 6422, 8398, 20111, 22477, 29393, 40222, 44954, 54587, 58786, 109174, 382109, 764218]

約数ペア:

[(1, 764218), (2, 382109), (7, 109174), (13, 58786), (14, 54587), (17, 44954), (19, 40222), (26, 29393), (34, 22477), (38, 20111), (91, 8398), (119, 6422), (133, 5746), (169, 4522), (182, 4199), (221, 3458), (238, 3211), (247, 3094), (266, 2873), (323, 2366), (338, 2261), (442, 1729), (494, 1547), (646, 1183)]