221326872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{709381}}^1$

素因数の和:709403

約数の個数: 32

約数和(自身を含む): 595880880

約数和(自身を除く): 374554008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 709381, 1418762, 2128143, 2837524, 4256286, 5675048, 8512572, 9221953, 17025144, 18443906, 27665859, 36887812, 55331718, 73775624, 110663436, 221326872]

約数ペア:

[(1, 221326872), (2, 110663436), (3, 73775624), (4, 55331718), (6, 36887812), (8, 27665859), (12, 18443906), (13, 17025144), (24, 9221953), (26, 8512572), (39, 5675048), (52, 4256286), (78, 2837524), (104, 2128143), (156, 1418762), (312, 709381)]