81117192

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259991}}^1$

素因数の和:260013

約数の個数: 32

約数和(自身を含む): 218393280

約数和(自身を除く): 137276088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 259991, 519982, 779973, 1039964, 1559946, 2079928, 3119892, 3379883, 6239784, 6759766, 10139649, 13519532, 20279298, 27039064, 40558596, 81117192]

約数ペア:

[(1, 81117192), (2, 40558596), (3, 27039064), (4, 20279298), (6, 13519532), (8, 10139649), (12, 6759766), (13, 6239784), (24, 3379883), (26, 3119892), (39, 2079928), (52, 1559946), (78, 1039964), (104, 779973), (156, 519982), (312, 259991)]