2013502855

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20393}}^1$

素因数の和:20456

約数の個数: 48

約数和(自身を含む): 3124687104

約数和(自身を除く): 1111184249

約数列:

[1, 5, 7, 13, 31, 35, 49, 65, 91, 155, 217, 245, 403, 455, 637, 1085, 1519, 2015, 2821, 3185, 7595, 14105, 19747, 20393, 98735, 101965, 142751, 265109, 632183, 713755, 999257, 1325545, 1855763, 3160915, 4425281, 4996285, 8218379, 9278815, 12990341, 22126405, 30976967, 41091895, 57528653, 64951705, 154884835, 287643265, 402700571, 2013502855]

約数ペア:

[(1, 2013502855), (5, 402700571), (7, 287643265), (13, 154884835), (31, 64951705), (35, 57528653), (49, 41091895), (65, 30976967), (91, 22126405), (155, 12990341), (217, 9278815), (245, 8218379), (403, 4996285), (455, 4425281), (637, 3160915), (1085, 1855763), (1519, 1325545), (2015, 999257), (2821, 713755), (3185, 632183), (7595, 265109), (14105, 142751), (19747, 101965), (20393, 98735)]