203456

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:57

約数の個数: 42

約数和(自身を含む): 467868

約数和(自身を除く): 264412

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 176, 187, 272, 289, 352, 374, 544, 578, 704, 748, 1088, 1156, 1496, 2312, 2992, 3179, 4624, 5984, 6358, 9248, 11968, 12716, 18496, 25432, 50864, 101728, 203456]

約数ペア:

[(1, 203456), (2, 101728), (4, 50864), (8, 25432), (11, 18496), (16, 12716), (17, 11968), (22, 9248), (32, 6358), (34, 5984), (44, 4624), (64, 3179), (68, 2992), (88, 2312), (136, 1496), (176, 1156), (187, 1088), (272, 748), (289, 704), (352, 578), (374, 544)]