1281342208

素因数分解:

$2^8\times {\mathrm{43}}^2\times {\mathrm{2707}}^1$

素因数の和:2809

約数の個数: 54

約数和(自身を含む): 2619510684

約数和(自身を除く): 1338168476

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1849, 2707, 2752, 3698, 5414, 5504, 7396, 10828, 11008, 14792, 21656, 29584, 43312, 59168, 86624, 116401, 118336, 173248, 232802, 236672, 346496, 465604, 473344, 692992, 931208, 1862416, 3724832, 5005243, 7449664, 10010486, 14899328, 20020972, 29798656, 40041944, 80083888, 160167776, 320335552, 640671104, 1281342208]

約数ペア:

[(1, 1281342208), (2, 640671104), (4, 320335552), (8, 160167776), (16, 80083888), (32, 40041944), (43, 29798656), (64, 20020972), (86, 14899328), (128, 10010486), (172, 7449664), (256, 5005243), (344, 3724832), (688, 1862416), (1376, 931208), (1849, 692992), (2707, 473344), (2752, 465604), (3698, 346496), (5414, 236672), (5504, 232802), (7396, 173248), (10828, 118336), (11008, 116401), (14792, 86624), (21656, 59168), (29584, 43312)]