664989836

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{7951}}^1$

素因数の和:8094

約数の個数: 48

約数和(自身を含む): 1389373440

約数和(自身を除く): 724383604

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 103, 116, 203, 206, 406, 412, 721, 812, 1442, 2884, 2987, 5974, 7951, 11948, 15902, 20909, 31804, 41818, 55657, 83636, 111314, 222628, 230579, 461158, 818953, 922316, 1614053, 1637906, 3228106, 3275812, 5732671, 6456212, 11465342, 22930684, 23749637, 47499274, 94998548, 166247459, 332494918, 664989836]

約数ペア:

[(1, 664989836), (2, 332494918), (4, 166247459), (7, 94998548), (14, 47499274), (28, 23749637), (29, 22930684), (58, 11465342), (103, 6456212), (116, 5732671), (203, 3275812), (206, 3228106), (406, 1637906), (412, 1614053), (721, 922316), (812, 818953), (1442, 461158), (2884, 230579), (2987, 222628), (5974, 111314), (7951, 83636), (11948, 55657), (15902, 41818), (20909, 31804)]