27810286

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 49674240

約数和(自身を除く): 21863954

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 461, 922, 973, 1946, 3227, 4309, 6454, 8618, 14291, 28582, 30163, 60326, 64079, 100037, 128158, 200074, 448553, 897106, 1986449, 3972898, 13905143, 27810286]

約数ペア:

[(1, 27810286), (2, 13905143), (7, 3972898), (14, 1986449), (31, 897106), (62, 448553), (139, 200074), (217, 128158), (278, 100037), (434, 64079), (461, 60326), (922, 30163), (973, 28582), (1946, 14291), (3227, 8618), (4309, 6454)]