251251236

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1607}}^1$

素因数の和:1761

約数の個数: 72

約数和(自身を含む): 656720064

約数和(自身を除く): 405468828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 101, 129, 172, 202, 258, 303, 387, 404, 516, 606, 774, 909, 1212, 1548, 1607, 1818, 3214, 3636, 4343, 4821, 6428, 8686, 9642, 13029, 14463, 17372, 19284, 26058, 28926, 39087, 52116, 57852, 69101, 78174, 138202, 156348, 162307, 207303, 276404, 324614, 414606, 486921, 621909, 649228, 829212, 973842, 1243818, 1460763, 1947684, 2487636, 2921526, 5843052, 6979201, 13958402, 20937603, 27916804, 41875206, 62812809, 83750412, 125625618, 251251236]

約数ペア:

[(1, 251251236), (2, 125625618), (3, 83750412), (4, 62812809), (6, 41875206), (9, 27916804), (12, 20937603), (18, 13958402), (36, 6979201), (43, 5843052), (86, 2921526), (101, 2487636), (129, 1947684), (172, 1460763), (202, 1243818), (258, 973842), (303, 829212), (387, 649228), (404, 621909), (516, 486921), (606, 414606), (774, 324614), (909, 276404), (1212, 207303), (1548, 162307), (1607, 156348), (1818, 138202), (3214, 78174), (3636, 69101), (4343, 57852), (4821, 52116), (6428, 39087), (8686, 28926), (9642, 26058), (13029, 19284), (14463, 17372)]