640174542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{2341}}^1$

素因数の和:2753

約数の個数: 64

約数和(自身を含む): 1554038784

約数和(自身を除く): 913864242

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 383, 714, 766, 1149, 2298, 2341, 2681, 4682, 5362, 6511, 7023, 8043, 13022, 14046, 16086, 16387, 19533, 32774, 39066, 39797, 45577, 49161, 79594, 91154, 98322, 119391, 136731, 238782, 273462, 278579, 557158, 835737, 896603, 1671474, 1793206, 2689809, 5379618, 6276221, 12552442, 15242251, 18828663, 30484502, 37657326, 45726753, 91453506, 106695757, 213391514, 320087271, 640174542]

約数ペア:

[(1, 640174542), (2, 320087271), (3, 213391514), (6, 106695757), (7, 91453506), (14, 45726753), (17, 37657326), (21, 30484502), (34, 18828663), (42, 15242251), (51, 12552442), (102, 6276221), (119, 5379618), (238, 2689809), (357, 1793206), (383, 1671474), (714, 896603), (766, 835737), (1149, 557158), (2298, 278579), (2341, 273462), (2681, 238782), (4682, 136731), (5362, 119391), (6511, 98322), (7023, 91154), (8043, 79594), (13022, 49161), (14046, 45577), (16086, 39797), (16387, 39066), (19533, 32774)]