12787456

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 29433600

約数和(自身を除く): 16646144

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 239, 256, 304, 352, 418, 478, 608, 704, 836, 956, 1216, 1408, 1672, 1912, 2432, 2629, 2816, 3344, 3824, 4541, 4864, 5258, 6688, 7648, 9082, 10516, 13376, 15296, 18164, 21032, 26752, 30592, 36328, 42064, 49951, 53504, 61184, 72656, 84128, 99902, 145312, 168256, 199804, 290624, 336512, 399608, 581248, 673024, 799216, 1162496, 1598432, 3196864, 6393728, 12787456]

約数ペア:

[(1, 12787456), (2, 6393728), (4, 3196864), (8, 1598432), (11, 1162496), (16, 799216), (19, 673024), (22, 581248), (32, 399608), (38, 336512), (44, 290624), (64, 199804), (76, 168256), (88, 145312), (128, 99902), (152, 84128), (176, 72656), (209, 61184), (239, 53504), (256, 49951), (304, 42064), (352, 36328), (418, 30592), (478, 26752), (608, 21032), (704, 18164), (836, 15296), (956, 13376), (1216, 10516), (1408, 9082), (1672, 7648), (1912, 6688), (2432, 5258), (2629, 4864), (2816, 4541), (3344, 3824)]