17891290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 15203366

約数列:

[1, 2, 5, 10, 71, 113, 142, 223, 226, 355, 446, 565, 710, 1115, 1130, 2230, 8023, 15833, 16046, 25199, 31666, 40115, 50398, 79165, 80230, 125995, 158330, 251990, 1789129, 3578258, 8945645, 17891290]

約数ペア:

[(1, 17891290), (2, 8945645), (5, 3578258), (10, 1789129), (71, 251990), (113, 158330), (142, 125995), (223, 80230), (226, 79165), (355, 50398), (446, 40115), (565, 31666), (710, 25199), (1115, 16046), (1130, 15833), (2230, 8023)]