15721289984

素因数分解:

$2^8\times {\mathrm{239}}^1\times {\mathrm{263}}^1\times {\mathrm{977}}^1$

素因数の和:1495

約数の個数: 72

約数和(自身を含む): 31664666880

約数和(自身を除く): 15943376896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 263, 478, 526, 956, 977, 1052, 1912, 1954, 2104, 3824, 3908, 4208, 7648, 7816, 8416, 15296, 15632, 16832, 30592, 31264, 33664, 61184, 62528, 62857, 67328, 125056, 125714, 233503, 250112, 251428, 256951, 467006, 502856, 513902, 934012, 1005712, 1027804, 1868024, 2011424, 2055608, 3736048, 4022848, 4111216, 7472096, 8045696, 8222432, 14944192, 16091392, 16444864, 29888384, 32889728, 59776768, 61411289, 65779456, 122822578, 245645156, 491290312, 982580624, 1965161248, 3930322496, 7860644992, 15721289984]

約数ペア:

[(1, 15721289984), (2, 7860644992), (4, 3930322496), (8, 1965161248), (16, 982580624), (32, 491290312), (64, 245645156), (128, 122822578), (239, 65779456), (256, 61411289), (263, 59776768), (478, 32889728), (526, 29888384), (956, 16444864), (977, 16091392), (1052, 14944192), (1912, 8222432), (1954, 8045696), (2104, 7472096), (3824, 4111216), (3908, 4022848), (4208, 3736048), (7648, 2055608), (7816, 2011424), (8416, 1868024), (15296, 1027804), (15632, 1005712), (16832, 934012), (30592, 513902), (31264, 502856), (33664, 467006), (61184, 256951), (62528, 251428), (62857, 250112), (67328, 233503), (125056, 125714)]