989830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 24

約数和(自身を含む): 1858896

約数和(自身を除く): 869066

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 961, 1030, 1922, 3193, 4805, 6386, 9610, 15965, 31930, 98983, 197966, 494915, 989830]

約数ペア:

[(1, 989830), (2, 494915), (5, 197966), (10, 98983), (31, 31930), (62, 15965), (103, 9610), (155, 6386), (206, 4805), (310, 3193), (515, 1922), (961, 1030)]