7980966

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 19996704

約数和(自身を除く): 12015738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 653, 679, 873, 1306, 1358, 1746, 1959, 2037, 3918, 4074, 4571, 5877, 6111, 9142, 11754, 12222, 13713, 27426, 41139, 63341, 82278, 126682, 190023, 380046, 443387, 570069, 886774, 1140138, 1330161, 2660322, 3990483, 7980966]

約数ペア:

[(1, 7980966), (2, 3990483), (3, 2660322), (6, 1330161), (7, 1140138), (9, 886774), (14, 570069), (18, 443387), (21, 380046), (42, 190023), (63, 126682), (97, 82278), (126, 63341), (194, 41139), (291, 27426), (582, 13713), (653, 12222), (679, 11754), (873, 9142), (1306, 6111), (1358, 5877), (1746, 4571), (1959, 4074), (2037, 3918)]