256656688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{929}}^1$

素因数の和:1525

約数の個数: 40

約数和(自身を含む): 514788480

約数和(自身を除く): 258131792

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 557, 929, 1114, 1858, 2228, 3716, 4456, 7432, 8912, 14864, 17267, 28799, 34534, 57598, 69068, 115196, 138136, 230392, 276272, 460784, 517453, 1034906, 2069812, 4139624, 8279248, 16041043, 32082086, 64164172, 128328344, 256656688]

約数ペア:

[(1, 256656688), (2, 128328344), (4, 64164172), (8, 32082086), (16, 16041043), (31, 8279248), (62, 4139624), (124, 2069812), (248, 1034906), (496, 517453), (557, 460784), (929, 276272), (1114, 230392), (1858, 138136), (2228, 115196), (3716, 69068), (4456, 57598), (7432, 34534), (8912, 28799), (14864, 17267)]