1917858544

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{280717}}^1$

素因数の和:280793

約数の個数: 40

約数和(自身を含む): 4316319968

約数和(自身を除く): 2398461424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 280717, 561434, 1122868, 1965019, 2245736, 3930038, 4491472, 7860076, 15720152, 17123737, 31440304, 34247474, 68494948, 119866159, 136989896, 239732318, 273979792, 479464636, 958929272, 1917858544]

約数ペア:

[(1, 1917858544), (2, 958929272), (4, 479464636), (7, 273979792), (8, 239732318), (14, 136989896), (16, 119866159), (28, 68494948), (56, 34247474), (61, 31440304), (112, 17123737), (122, 15720152), (244, 7860076), (427, 4491472), (488, 3930038), (854, 2245736), (976, 1965019), (1708, 1122868), (3416, 561434), (6832, 280717)]