1640472747

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{757}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 2276474112

約数和(自身を除く): 636001365

約数列:

[1, 3, 43, 107, 129, 157, 321, 471, 757, 2271, 4601, 6751, 13803, 16799, 20253, 32551, 50397, 80999, 97653, 118849, 242997, 356547, 722357, 2167071, 3482957, 5110507, 10448871, 12716843, 15331521, 38150529, 546824249, 1640472747]

約数ペア:

[(1, 1640472747), (3, 546824249), (43, 38150529), (107, 15331521), (129, 12716843), (157, 10448871), (321, 5110507), (471, 3482957), (757, 2167071), (2271, 722357), (4601, 356547), (6751, 242997), (13803, 118849), (16799, 97653), (20253, 80999), (32551, 50397)]