661589284

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{16879}}^1$

素因数の和:17163

約数の個数: 24

約数和(自身を含む): 1191052800

約数和(自身を除く): 529463516

約数列:

[1, 2, 4, 41, 82, 164, 239, 478, 956, 9799, 16879, 19598, 33758, 39196, 67516, 692039, 1384078, 2768156, 4034081, 8068162, 16136324, 165397321, 330794642, 661589284]

約数ペア:

[(1, 661589284), (2, 330794642), (4, 165397321), (41, 16136324), (82, 8068162), (164, 4034081), (239, 2768156), (478, 1384078), (956, 692039), (9799, 67516), (16879, 39196), (19598, 33758)]