189039395

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 242694144

約数和(自身を除く): 53654749

約数列:

[1, 5, 31, 43, 113, 155, 215, 251, 565, 1255, 1333, 3503, 4859, 6665, 7781, 10793, 17515, 24295, 28363, 38905, 53965, 141815, 150629, 334583, 753145, 879253, 1219609, 1672915, 4396265, 6098045, 37807879, 189039395]

約数ペア:

[(1, 189039395), (5, 37807879), (31, 6098045), (43, 4396265), (113, 1672915), (155, 1219609), (215, 879253), (251, 753145), (565, 334583), (1255, 150629), (1333, 141815), (3503, 53965), (4859, 38905), (6665, 28363), (7781, 24295), (10793, 17515)]