1640390061

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 2575411200

約数和(自身を除く): 935021139

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 89, 267, 323, 391, 437, 827, 969, 1173, 1311, 1513, 1691, 2047, 2481, 4539, 5073, 6141, 7429, 14059, 15713, 19021, 22287, 28747, 34799, 38893, 42177, 47139, 57063, 73603, 86241, 104397, 116679, 220809, 267121, 323357, 361399, 661181, 801363, 970071, 1084197, 1251251, 1398457, 1692869, 1983543, 3753753, 4195371, 5078607, 6143783, 18431349, 23773769, 28778773, 32164511, 71321307, 86336319, 96493533, 546796687, 1640390061]

約数ペア:

[(1, 1640390061), (3, 546796687), (17, 96493533), (19, 86336319), (23, 71321307), (51, 32164511), (57, 28778773), (69, 23773769), (89, 18431349), (267, 6143783), (323, 5078607), (391, 4195371), (437, 3753753), (827, 1983543), (969, 1692869), (1173, 1398457), (1311, 1251251), (1513, 1084197), (1691, 970071), (2047, 801363), (2481, 661181), (4539, 361399), (5073, 323357), (6141, 267121), (7429, 220809), (14059, 116679), (15713, 104397), (19021, 86241), (22287, 73603), (28747, 57063), (34799, 47139), (38893, 42177)]