28818556

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:598

約数の個数: 36

約数和(自身を含む): 55339200

約数和(自身を除く): 26520644

約数列:

[1, 2, 4, 13, 26, 52, 89, 169, 178, 338, 356, 479, 676, 958, 1157, 1916, 2314, 4628, 6227, 12454, 15041, 24908, 30082, 42631, 60164, 80951, 85262, 161902, 170524, 323804, 554203, 1108406, 2216812, 7204639, 14409278, 28818556]

約数ペア:

[(1, 28818556), (2, 14409278), (4, 7204639), (13, 2216812), (26, 1108406), (52, 554203), (89, 323804), (169, 170524), (178, 161902), (338, 85262), (356, 80951), (479, 60164), (676, 42631), (958, 30082), (1157, 24908), (1916, 15041), (2314, 12454), (4628, 6227)]