643284496

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{1907}}^1$

素因数の和:2671

約数の個数: 40

約数和(自身を含む): 1291792320

約数和(自身を除く): 648507824

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 727, 1454, 1907, 2908, 3814, 5816, 7628, 11632, 15256, 21083, 30512, 42166, 55303, 84332, 110606, 168664, 221212, 337328, 442424, 884848, 1386389, 2772778, 5545556, 11091112, 22182224, 40205281, 80410562, 160821124, 321642248, 643284496]

約数ペア:

[(1, 643284496), (2, 321642248), (4, 160821124), (8, 80410562), (16, 40205281), (29, 22182224), (58, 11091112), (116, 5545556), (232, 2772778), (464, 1386389), (727, 884848), (1454, 442424), (1907, 337328), (2908, 221212), (3814, 168664), (5816, 110606), (7628, 84332), (11632, 55303), (15256, 42166), (21083, 30512)]