28166216

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 58106160

約数和(自身を除く): 29939944

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 169, 251, 332, 338, 502, 664, 676, 1004, 1079, 1352, 2008, 2158, 3263, 4316, 6526, 8632, 13052, 14027, 20833, 26104, 28054, 41666, 42419, 56108, 83332, 84838, 112216, 166664, 169676, 270829, 339352, 541658, 1083316, 2166632, 3520777, 7041554, 14083108, 28166216]

約数ペア:

[(1, 28166216), (2, 14083108), (4, 7041554), (8, 3520777), (13, 2166632), (26, 1083316), (52, 541658), (83, 339352), (104, 270829), (166, 169676), (169, 166664), (251, 112216), (332, 84838), (338, 83332), (502, 56108), (664, 42419), (676, 41666), (1004, 28054), (1079, 26104), (1352, 20833), (2008, 14027), (2158, 13052), (3263, 8632), (4316, 6526)]