165511990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{81533}}^1$

素因数の和:81576

約数の個数: 32

約数和(自身を含む): 352226880

約数和(自身を除く): 186714890

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 81533, 163066, 407665, 570731, 815330, 1141462, 2364457, 2853655, 4728914, 5707310, 11822285, 16551199, 23644570, 33102398, 82755995, 165511990]

約数ペア:

[(1, 165511990), (2, 82755995), (5, 33102398), (7, 23644570), (10, 16551199), (14, 11822285), (29, 5707310), (35, 4728914), (58, 2853655), (70, 2364457), (145, 1141462), (203, 815330), (290, 570731), (406, 407665), (1015, 163066), (2030, 81533)]