2788045169

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3259}}^1$

素因数の和:3382

約数の個数: 48

約数和(自身を含む): 3746131200

約数和(自身を除く): 958086031

約数列:

[1, 7, 13, 17, 49, 79, 91, 119, 221, 553, 637, 833, 1027, 1343, 1547, 3259, 3871, 7189, 9401, 10829, 17459, 22813, 42367, 50323, 55403, 65807, 122213, 159691, 257461, 296569, 387821, 720239, 855491, 1802227, 2075983, 2714747, 3346993, 4376837, 5041673, 12615589, 23428951, 30637859, 35291711, 56898881, 164002657, 214465013, 398292167, 2788045169]

約数ペア:

[(1, 2788045169), (7, 398292167), (13, 214465013), (17, 164002657), (49, 56898881), (79, 35291711), (91, 30637859), (119, 23428951), (221, 12615589), (553, 5041673), (637, 4376837), (833, 3346993), (1027, 2714747), (1343, 2075983), (1547, 1802227), (3259, 855491), (3871, 720239), (7189, 387821), (9401, 296569), (10829, 257461), (17459, 159691), (22813, 122213), (42367, 65807), (50323, 55403)]