640747982

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83063}}^1$

素因数の和:83120

約数の個数: 32

約数和(自身を含む): 1196121600

約数和(自身を除く): 555373618

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 3857, 7714, 83063, 166126, 581441, 1162882, 1578197, 2408827, 3156394, 4817654, 11047379, 16861789, 22094758, 33723578, 45767713, 91535426, 320373991, 640747982]

約数ペア:

[(1, 640747982), (2, 320373991), (7, 91535426), (14, 45767713), (19, 33723578), (29, 22094758), (38, 16861789), (58, 11047379), (133, 4817654), (203, 3156394), (266, 2408827), (406, 1578197), (551, 1162882), (1102, 581441), (3857, 166126), (7714, 83063)]