197173390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{839}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 361428480

約数和(自身を除く): 164255090

約数列:

[1, 2, 5, 10, 71, 142, 331, 355, 662, 710, 839, 1655, 1678, 3310, 4195, 8390, 23501, 47002, 59569, 117505, 119138, 235010, 277709, 297845, 555418, 595690, 1388545, 2777090, 19717339, 39434678, 98586695, 197173390]

約数ペア:

[(1, 197173390), (2, 98586695), (5, 39434678), (10, 19717339), (71, 2777090), (142, 1388545), (331, 595690), (355, 555418), (662, 297845), (710, 277709), (839, 235010), (1655, 119138), (1678, 117505), (3310, 59569), (4195, 47002), (8390, 23501)]