639837644

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{7237}}^1$

素因数の和:7326

約数の個数: 36

約数和(自身を含む): 1207472112

約数和(自身を除く): 567634468

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 713, 961, 1426, 1922, 2852, 3844, 7237, 14474, 22103, 28948, 44206, 88412, 166451, 224347, 332902, 448694, 665804, 897388, 5159981, 6954757, 10319962, 13909514, 20639924, 27819028, 159959411, 319918822, 639837644]

約数ペア:

[(1, 639837644), (2, 319918822), (4, 159959411), (23, 27819028), (31, 20639924), (46, 13909514), (62, 10319962), (92, 6954757), (124, 5159981), (713, 897388), (961, 665804), (1426, 448694), (1922, 332902), (2852, 224347), (3844, 166451), (7237, 88412), (14474, 44206), (22103, 28948)]