257848128

素因数分解:

$2^6\times 3^2\times {\mathrm{449}}^1\times {\mathrm{997}}^1$

素因数の和:1464

約数の個数: 84

約数和(自身を含む): 741464100

約数和(自身を除く): 483615972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 449, 576, 898, 997, 1347, 1796, 1994, 2694, 2991, 3592, 3988, 4041, 5388, 5982, 7184, 7976, 8082, 8973, 10776, 11964, 14368, 15952, 16164, 17946, 21552, 23928, 28736, 31904, 32328, 35892, 43104, 47856, 63808, 64656, 71784, 86208, 95712, 129312, 143568, 191424, 258624, 287136, 447653, 574272, 895306, 1342959, 1790612, 2685918, 3581224, 4028877, 5371836, 7162448, 8057754, 10743672, 14324896, 16115508, 21487344, 28649792, 32231016, 42974688, 64462032, 85949376, 128924064, 257848128]

約数ペア:

[(1, 257848128), (2, 128924064), (3, 85949376), (4, 64462032), (6, 42974688), (8, 32231016), (9, 28649792), (12, 21487344), (16, 16115508), (18, 14324896), (24, 10743672), (32, 8057754), (36, 7162448), (48, 5371836), (64, 4028877), (72, 3581224), (96, 2685918), (144, 1790612), (192, 1342959), (288, 895306), (449, 574272), (576, 447653), (898, 287136), (997, 258624), (1347, 191424), (1796, 143568), (1994, 129312), (2694, 95712), (2991, 86208), (3592, 71784), (3988, 64656), (4041, 63808), (5388, 47856), (5982, 43104), (7184, 35892), (7976, 32328), (8082, 31904), (8973, 28736), (10776, 23928), (11964, 21552), (14368, 17946), (15952, 16164)]