221570298

素因数分解:

$2^1\times 3^2\times {\mathrm{659}}^1\times {\mathrm{18679}}^1$

素因数の和:19346

約数の個数: 24

約数和(自身を含む): 480823200

約数和(自身を除く): 259252902

約数列:

[1, 2, 3, 6, 9, 18, 659, 1318, 1977, 3954, 5931, 11862, 18679, 37358, 56037, 112074, 168111, 336222, 12309461, 24618922, 36928383, 73856766, 110785149, 221570298]

約数ペア:

[(1, 221570298), (2, 110785149), (3, 73856766), (6, 36928383), (9, 24618922), (18, 12309461), (659, 336222), (1318, 168111), (1977, 112074), (3954, 56037), (5931, 37358), (11862, 18679)]