208984330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{1373}}^1$

素因数の和:1902

約数の個数: 32

約数和(自身を含む): 389380608

約数和(自身を除く): 180396278

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 491, 982, 1373, 2455, 2746, 4910, 6865, 13730, 15221, 30442, 42563, 76105, 85126, 152210, 212815, 425630, 674143, 1348286, 3370715, 6741430, 20898433, 41796866, 104492165, 208984330]

約数ペア:

[(1, 208984330), (2, 104492165), (5, 41796866), (10, 20898433), (31, 6741430), (62, 3370715), (155, 1348286), (310, 674143), (491, 425630), (982, 212815), (1373, 152210), (2455, 85126), (2746, 76105), (4910, 42563), (6865, 30442), (13730, 15221)]