1639790635

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{733}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 2397819456

約数和(自身を除く): 758028821

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 397, 733, 805, 1127, 1985, 2779, 3665, 5131, 5635, 9131, 13895, 16859, 19453, 25655, 35917, 45655, 63917, 84295, 97265, 118013, 179585, 291001, 319585, 447419, 590065, 826091, 1455005, 2037007, 2237095, 4130455, 6693023, 10185035, 14259049, 33465115, 46851161, 71295245, 234255805, 327958127, 1639790635]

約数ペア:

[(1, 1639790635), (5, 327958127), (7, 234255805), (23, 71295245), (35, 46851161), (49, 33465115), (115, 14259049), (161, 10185035), (245, 6693023), (397, 4130455), (733, 2237095), (805, 2037007), (1127, 1455005), (1985, 826091), (2779, 590065), (3665, 447419), (5131, 319585), (5635, 291001), (9131, 179585), (13895, 118013), (16859, 97265), (19453, 84295), (25655, 63917), (35917, 45655)]