198977690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61603}}^1$

素因数の和:61646

約数の個数: 32

約数和(自身を含む): 399193920

約数和(自身を除く): 200216230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 61603, 123206, 308015, 616030, 1047251, 1170457, 2094502, 2340914, 5236255, 5852285, 10472510, 11704570, 19897769, 39795538, 99488845, 198977690]

約数ペア:

[(1, 198977690), (2, 99488845), (5, 39795538), (10, 19897769), (17, 11704570), (19, 10472510), (34, 5852285), (38, 5236255), (85, 2340914), (95, 2094502), (170, 1170457), (190, 1047251), (323, 616030), (646, 308015), (1615, 123206), (3230, 61603)]