865956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 2541504

約数和(自身を除く): 1675548

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 61, 78, 84, 91, 122, 156, 169, 182, 183, 244, 273, 338, 364, 366, 427, 507, 546, 676, 732, 793, 854, 1014, 1092, 1183, 1281, 1586, 1708, 2028, 2366, 2379, 2562, 3172, 3549, 4732, 4758, 5124, 5551, 7098, 9516, 10309, 11102, 14196, 16653, 20618, 22204, 30927, 33306, 41236, 61854, 66612, 72163, 123708, 144326, 216489, 288652, 432978, 865956]

約数ペア:

[(1, 865956), (2, 432978), (3, 288652), (4, 216489), (6, 144326), (7, 123708), (12, 72163), (13, 66612), (14, 61854), (21, 41236), (26, 33306), (28, 30927), (39, 22204), (42, 20618), (52, 16653), (61, 14196), (78, 11102), (84, 10309), (91, 9516), (122, 7098), (156, 5551), (169, 5124), (182, 4758), (183, 4732), (244, 3549), (273, 3172), (338, 2562), (364, 2379), (366, 2366), (427, 2028), (507, 1708), (546, 1586), (676, 1281), (732, 1183), (793, 1092), (854, 1014)]