27721130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 51867648

約数和(自身を除く): 24146518

約数列:

[1, 2, 5, 10, 31, 62, 155, 223, 310, 401, 446, 802, 1115, 2005, 2230, 4010, 6913, 12431, 13826, 24862, 34565, 62155, 69130, 89423, 124310, 178846, 447115, 894230, 2772113, 5544226, 13860565, 27721130]

約数ペア:

[(1, 27721130), (2, 13860565), (5, 5544226), (10, 2772113), (31, 894230), (62, 447115), (155, 178846), (223, 124310), (310, 89423), (401, 69130), (446, 62155), (802, 34565), (1115, 24862), (2005, 13826), (2230, 12431), (4010, 6913)]