251115904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{659}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 541926000

約数和(自身を除く): 290810096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 229, 416, 458, 659, 832, 916, 1318, 1664, 1832, 2636, 2977, 3664, 5272, 5954, 7328, 8567, 10544, 11908, 14656, 17134, 21088, 23816, 29312, 34268, 42176, 47632, 68536, 84352, 95264, 137072, 150911, 190528, 274144, 301822, 381056, 548288, 603644, 1096576, 1207288, 1961843, 2414576, 3923686, 4829152, 7847372, 9658304, 15694744, 19316608, 31389488, 62778976, 125557952, 251115904]

約数ペア:

[(1, 251115904), (2, 125557952), (4, 62778976), (8, 31389488), (13, 19316608), (16, 15694744), (26, 9658304), (32, 7847372), (52, 4829152), (64, 3923686), (104, 2414576), (128, 1961843), (208, 1207288), (229, 1096576), (416, 603644), (458, 548288), (659, 381056), (832, 301822), (916, 274144), (1318, 190528), (1664, 150911), (1832, 137072), (2636, 95264), (2977, 84352), (3664, 68536), (5272, 47632), (5954, 42176), (7328, 34268), (8567, 29312), (10544, 23816), (11908, 21088), (14656, 17134)]