678459636

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{2657}}^1$

素因数の和:2881

約数の個数: 72

約数和(自身を含む): 1767644424

約数和(自身を除く): 1089184788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 173, 246, 346, 369, 492, 519, 692, 738, 1038, 1476, 1557, 2076, 2657, 3114, 5314, 6228, 7093, 7971, 10628, 14186, 15942, 21279, 23913, 28372, 31884, 42558, 47826, 63837, 85116, 95652, 108937, 127674, 217874, 255348, 326811, 435748, 459661, 653622, 919322, 980433, 1307244, 1378983, 1838644, 1960866, 2757966, 3921732, 4136949, 5515932, 8273898, 16547796, 18846101, 37692202, 56538303, 75384404, 113076606, 169614909, 226153212, 339229818, 678459636]

約数ペア:

[(1, 678459636), (2, 339229818), (3, 226153212), (4, 169614909), (6, 113076606), (9, 75384404), (12, 56538303), (18, 37692202), (36, 18846101), (41, 16547796), (82, 8273898), (123, 5515932), (164, 4136949), (173, 3921732), (246, 2757966), (346, 1960866), (369, 1838644), (492, 1378983), (519, 1307244), (692, 980433), (738, 919322), (1038, 653622), (1476, 459661), (1557, 435748), (2076, 326811), (2657, 255348), (3114, 217874), (5314, 127674), (6228, 108937), (7093, 95652), (7971, 85116), (10628, 63837), (14186, 47826), (15942, 42558), (21279, 31884), (23913, 28372)]