258854848

素因数分解:

$2^6\times 7^2\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:642

約数の個数: 84

約数和(自身を含む): 601995240

約数和(自身を除く): 343140392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 197, 224, 392, 394, 419, 448, 784, 788, 838, 1379, 1568, 1576, 1676, 2758, 2933, 3136, 3152, 3352, 5516, 5866, 6304, 6704, 9653, 11032, 11732, 12608, 13408, 19306, 20531, 22064, 23464, 26816, 38612, 41062, 44128, 46928, 77224, 82124, 82543, 88256, 93856, 154448, 164248, 165086, 187712, 308896, 328496, 330172, 577801, 617792, 656992, 660344, 1155602, 1313984, 1320688, 2311204, 2641376, 4044607, 4622408, 5282752, 8089214, 9244816, 16178428, 18489632, 32356856, 36979264, 64713712, 129427424, 258854848]

約数ペア:

[(1, 258854848), (2, 129427424), (4, 64713712), (7, 36979264), (8, 32356856), (14, 18489632), (16, 16178428), (28, 9244816), (32, 8089214), (49, 5282752), (56, 4622408), (64, 4044607), (98, 2641376), (112, 2311204), (196, 1320688), (197, 1313984), (224, 1155602), (392, 660344), (394, 656992), (419, 617792), (448, 577801), (784, 330172), (788, 328496), (838, 308896), (1379, 187712), (1568, 165086), (1576, 164248), (1676, 154448), (2758, 93856), (2933, 88256), (3136, 82543), (3152, 82124), (3352, 77224), (5516, 46928), (5866, 44128), (6304, 41062), (6704, 38612), (9653, 26816), (11032, 23464), (11732, 22064), (12608, 20531), (13408, 19306)]