90131818

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2141}}^1$

素因数の和:2278

約数の個数: 32

約数和(自身を含む): 161215488

約数和(自身を除く): 71083670

約数列:

[1, 2, 7, 14, 31, 62, 97, 194, 217, 434, 679, 1358, 2141, 3007, 4282, 6014, 14987, 21049, 29974, 42098, 66371, 132742, 207677, 415354, 464597, 929194, 1453739, 2907478, 6437987, 12875974, 45065909, 90131818]

約数ペア:

[(1, 90131818), (2, 45065909), (7, 12875974), (14, 6437987), (31, 2907478), (62, 1453739), (97, 929194), (194, 464597), (217, 415354), (434, 207677), (679, 132742), (1358, 66371), (2141, 42098), (3007, 29974), (4282, 21049), (6014, 14987)]