258791390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{13921}}^1$

素因数の和:13965

約数の個数: 48

約数和(自身を含む): 550308816

約数和(自身を除く): 291517426

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1690, 1859, 3718, 9295, 13921, 18590, 27842, 69605, 139210, 153131, 180973, 306262, 361946, 765655, 904865, 1531310, 1809730, 1990703, 2352649, 3981406, 4705298, 9953515, 11763245, 19907030, 23526490, 25879139, 51758278, 129395695, 258791390]

約数ペア:

[(1, 258791390), (2, 129395695), (5, 51758278), (10, 25879139), (11, 23526490), (13, 19907030), (22, 11763245), (26, 9953515), (55, 4705298), (65, 3981406), (110, 2352649), (130, 1990703), (143, 1809730), (169, 1531310), (286, 904865), (338, 765655), (715, 361946), (845, 306262), (1430, 180973), (1690, 153131), (1859, 139210), (3718, 69605), (9295, 27842), (13921, 18590)]