256401093

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 402554880

約数和(自身を除く): 146153787

約数列:

[1, 3, 13, 29, 31, 39, 71, 87, 93, 103, 213, 309, 377, 403, 899, 923, 1131, 1209, 1339, 2059, 2201, 2697, 2769, 2987, 3193, 4017, 6177, 6603, 7313, 8961, 9579, 11687, 21939, 26767, 28613, 35061, 38831, 41509, 63829, 80301, 85839, 92597, 95069, 116493, 124527, 191487, 212077, 226703, 277791, 285207, 636231, 680109, 829777, 1203761, 2489331, 2757001, 2947139, 3611283, 6574387, 8271003, 8841417, 19723161, 85467031, 256401093]

約数ペア:

[(1, 256401093), (3, 85467031), (13, 19723161), (29, 8841417), (31, 8271003), (39, 6574387), (71, 3611283), (87, 2947139), (93, 2757001), (103, 2489331), (213, 1203761), (309, 829777), (377, 680109), (403, 636231), (899, 285207), (923, 277791), (1131, 226703), (1209, 212077), (1339, 191487), (2059, 124527), (2201, 116493), (2697, 95069), (2769, 92597), (2987, 85839), (3193, 80301), (4017, 63829), (6177, 41509), (6603, 38831), (7313, 35061), (8961, 28613), (9579, 26767), (11687, 21939)]