220393984

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{25321}}^1$

素因数の和:25356

約数の個数: 40

約数和(自身を含む): 466279308

約数和(自身を除く): 245885324

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 4352, 8704, 25321, 50642, 101284, 202568, 405136, 430457, 810272, 860914, 1620544, 1721828, 3241088, 3443656, 6482176, 6887312, 12964352, 13774624, 27549248, 55098496, 110196992, 220393984]

約数ペア:

[(1, 220393984), (2, 110196992), (4, 55098496), (8, 27549248), (16, 13774624), (17, 12964352), (32, 6887312), (34, 6482176), (64, 3443656), (68, 3241088), (128, 1721828), (136, 1620544), (256, 860914), (272, 810272), (512, 430457), (544, 405136), (1088, 202568), (2176, 101284), (4352, 50642), (8704, 25321)]