257205888

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{3917}}^1$

素因数の和:3959

約数の個数: 128

約数和(自身を含む): 799272000

約数和(自身を除く): 542066112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 288, 304, 342, 384, 432, 456, 513, 576, 608, 684, 864, 912, 1026, 1152, 1216, 1368, 1728, 1824, 2052, 2432, 2736, 3456, 3648, 3917, 4104, 5472, 7296, 7834, 8208, 10944, 11751, 15668, 16416, 21888, 23502, 31336, 32832, 35253, 47004, 62672, 65664, 70506, 74423, 94008, 105759, 125344, 141012, 148846, 188016, 211518, 223269, 250688, 282024, 297692, 376032, 423036, 446538, 501376, 564048, 595384, 669807, 752064, 846072, 893076, 1128096, 1190768, 1339614, 1504128, 1692144, 1786152, 2009421, 2256192, 2381536, 2679228, 3384288, 3572304, 4018842, 4512384, 4763072, 5358456, 6768576, 7144608, 8037684, 9526144, 10716912, 13537152, 14289216, 16075368, 21433824, 28578432, 32150736, 42867648, 64301472, 85735296, 128602944, 257205888]

約数ペア:

[(1, 257205888), (2, 128602944), (3, 85735296), (4, 64301472), (6, 42867648), (8, 32150736), (9, 28578432), (12, 21433824), (16, 16075368), (18, 14289216), (19, 13537152), (24, 10716912), (27, 9526144), (32, 8037684), (36, 7144608), (38, 6768576), (48, 5358456), (54, 4763072), (57, 4512384), (64, 4018842), (72, 3572304), (76, 3384288), (96, 2679228), (108, 2381536), (114, 2256192), (128, 2009421), (144, 1786152), (152, 1692144), (171, 1504128), (192, 1339614), (216, 1190768), (228, 1128096), (288, 893076), (304, 846072), (342, 752064), (384, 669807), (432, 595384), (456, 564048), (513, 501376), (576, 446538), (608, 423036), (684, 376032), (864, 297692), (912, 282024), (1026, 250688), (1152, 223269), (1216, 211518), (1368, 188016), (1728, 148846), (1824, 141012), (2052, 125344), (2432, 105759), (2736, 94008), (3456, 74423), (3648, 70506), (3917, 65664), (4104, 62672), (5472, 47004), (7296, 35253), (7834, 32832), (8208, 31336), (10944, 23502), (11751, 21888), (15668, 16416)]