218721978

素因数分解:

$2^1\times 3^3\times {\mathrm{373}}^1\times {\mathrm{10859}}^1$

素因数の和:11243

約数の個数: 32

約数和(自身を含む): 487396800

約数和(自身を除く): 268674822

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 373, 746, 1119, 2238, 3357, 6714, 10071, 10859, 20142, 21718, 32577, 65154, 97731, 195462, 293193, 586386, 4050407, 8100814, 12151221, 24302442, 36453663, 72907326, 109360989, 218721978]

約数ペア:

[(1, 218721978), (2, 109360989), (3, 72907326), (6, 36453663), (9, 24302442), (18, 12151221), (27, 8100814), (54, 4050407), (373, 586386), (746, 293193), (1119, 195462), (2238, 97731), (3357, 65154), (6714, 32577), (10071, 21718), (10859, 20142)]