1421775719

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 1899878400

約数和(自身を除く): 478102681

約数列:

[1, 7, 13, 19, 49, 79, 91, 133, 247, 553, 637, 931, 1027, 1487, 1501, 1729, 3871, 7189, 10409, 10507, 12103, 19331, 19513, 28253, 50323, 72863, 73549, 117473, 135317, 136591, 197771, 367289, 822311, 947219, 956137, 1384397, 1527149, 2231987, 2571023, 5756177, 10690043, 15623909, 17997161, 29015831, 74830301, 109367363, 203110817, 1421775719]

約数ペア:

[(1, 1421775719), (7, 203110817), (13, 109367363), (19, 74830301), (49, 29015831), (79, 17997161), (91, 15623909), (133, 10690043), (247, 5756177), (553, 2571023), (637, 2231987), (931, 1527149), (1027, 1384397), (1487, 956137), (1501, 947219), (1729, 822311), (3871, 367289), (7189, 197771), (10409, 136591), (10507, 135317), (12103, 117473), (19331, 73549), (19513, 72863), (28253, 50323)]