42478956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 116647440

約数和(自身を除く): 74168484

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 653, 834, 1251, 1306, 1668, 1807, 1959, 2502, 2612, 3614, 3918, 5004, 5421, 5877, 7228, 7836, 8489, 10842, 11754, 16263, 16978, 21684, 23508, 25467, 32526, 33956, 50934, 65052, 76401, 90767, 101868, 152802, 181534, 272301, 305604, 363068, 544602, 816903, 1089204, 1179971, 1633806, 2359942, 3267612, 3539913, 4719884, 7079826, 10619739, 14159652, 21239478, 42478956]

約数ペア:

[(1, 42478956), (2, 21239478), (3, 14159652), (4, 10619739), (6, 7079826), (9, 4719884), (12, 3539913), (13, 3267612), (18, 2359942), (26, 1633806), (36, 1179971), (39, 1089204), (52, 816903), (78, 544602), (117, 363068), (139, 305604), (156, 272301), (234, 181534), (278, 152802), (417, 101868), (468, 90767), (556, 76401), (653, 65052), (834, 50934), (1251, 33956), (1306, 32526), (1668, 25467), (1807, 23508), (1959, 21684), (2502, 16978), (2612, 16263), (3614, 11754), (3918, 10842), (5004, 8489), (5421, 7836), (5877, 7228)]