78630398

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 72

約数和(自身を含む): 159201000

約数和(自身を除く): 80570602

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 121, 133, 154, 209, 242, 266, 349, 418, 539, 698, 847, 931, 1078, 1463, 1694, 1862, 2299, 2443, 2926, 3839, 4598, 4886, 5929, 6631, 7678, 10241, 11858, 13262, 16093, 17101, 20482, 26873, 32186, 34202, 42229, 46417, 53746, 72941, 84458, 92834, 112651, 145882, 188111, 225302, 295603, 324919, 376222, 510587, 591206, 649838, 802351, 1021174, 1604702, 2069221, 3574109, 4138442, 5616457, 7148218, 11232914, 39315199, 78630398]

約数ペア:

[(1, 78630398), (2, 39315199), (7, 11232914), (11, 7148218), (14, 5616457), (19, 4138442), (22, 3574109), (38, 2069221), (49, 1604702), (77, 1021174), (98, 802351), (121, 649838), (133, 591206), (154, 510587), (209, 376222), (242, 324919), (266, 295603), (349, 225302), (418, 188111), (539, 145882), (698, 112651), (847, 92834), (931, 84458), (1078, 72941), (1463, 53746), (1694, 46417), (1862, 42229), (2299, 34202), (2443, 32186), (2926, 26873), (3839, 20482), (4598, 17101), (4886, 16093), (5929, 13262), (6631, 11858), (7678, 10241)]