127757968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 278232192

約数和(自身を除く): 150474224

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 71, 82, 104, 142, 164, 208, 211, 284, 328, 422, 533, 568, 656, 844, 923, 1066, 1136, 1688, 1846, 2132, 2743, 2911, 3376, 3692, 4264, 5486, 5822, 7384, 8528, 8651, 10972, 11644, 14768, 14981, 17302, 21944, 23288, 29962, 34604, 37843, 43888, 46576, 59924, 69208, 75686, 112463, 119848, 138416, 151372, 194753, 224926, 239696, 302744, 389506, 449852, 605488, 614221, 779012, 899704, 1228442, 1558024, 1799408, 2456884, 3116048, 4913768, 7984873, 9827536, 15969746, 31939492, 63878984, 127757968]

約数ペア:

[(1, 127757968), (2, 63878984), (4, 31939492), (8, 15969746), (13, 9827536), (16, 7984873), (26, 4913768), (41, 3116048), (52, 2456884), (71, 1799408), (82, 1558024), (104, 1228442), (142, 899704), (164, 779012), (208, 614221), (211, 605488), (284, 449852), (328, 389506), (422, 302744), (533, 239696), (568, 224926), (656, 194753), (844, 151372), (923, 138416), (1066, 119848), (1136, 112463), (1688, 75686), (1846, 69208), (2132, 59924), (2743, 46576), (2911, 43888), (3376, 37843), (3692, 34604), (4264, 29962), (5486, 23288), (5822, 21944), (7384, 17302), (8528, 14981), (8651, 14768), (10972, 11644)]