645932

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 1451520

約数和(自身を除く): 805588

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 59, 68, 92, 118, 119, 161, 236, 238, 322, 391, 413, 476, 644, 782, 826, 1003, 1357, 1564, 1652, 2006, 2714, 2737, 4012, 5428, 5474, 7021, 9499, 10948, 14042, 18998, 23069, 28084, 37996, 46138, 92276, 161483, 322966, 645932]

約数ペア:

[(1, 645932), (2, 322966), (4, 161483), (7, 92276), (14, 46138), (17, 37996), (23, 28084), (28, 23069), (34, 18998), (46, 14042), (59, 10948), (68, 9499), (92, 7021), (118, 5474), (119, 5428), (161, 4012), (236, 2737), (238, 2714), (322, 2006), (391, 1652), (413, 1564), (476, 1357), (644, 1003), (782, 826)]