28689206

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{3217}}^1$

素因数の和:3253

約数の個数: 32

約数和(自身を含む): 54062400

約数和(自身を除く): 25373194

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 3217, 4459, 6434, 8918, 22519, 41821, 45038, 83642, 157633, 292747, 315266, 585494, 1103431, 2049229, 2206862, 4098458, 14344603, 28689206]

約数ペア:

[(1, 28689206), (2, 14344603), (7, 4098458), (13, 2206862), (14, 2049229), (26, 1103431), (49, 585494), (91, 315266), (98, 292747), (182, 157633), (343, 83642), (637, 45038), (686, 41821), (1274, 22519), (3217, 8918), (4459, 6434)]