199412305

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 252809856

約数和(自身を除く): 53397551

約数列:

[1, 5, 31, 47, 155, 235, 883, 961, 1457, 4415, 4805, 7285, 27373, 41501, 45167, 136865, 207505, 225835, 848563, 1286531, 4242815, 6432655, 39882461, 199412305]

約数ペア:

[(1, 199412305), (5, 39882461), (31, 6432655), (47, 4242815), (155, 1286531), (235, 848563), (883, 225835), (961, 207505), (1457, 136865), (4415, 45167), (4805, 41501), (7285, 27373)]