2021664385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{5557}}^1$

素因数の和:5797

約数の個数: 32

約数和(自身を含む): 2717195040

約数和(自身を除く): 695530655

約数列:

[1, 5, 13, 29, 65, 145, 193, 377, 965, 1885, 2509, 5557, 5597, 12545, 27785, 27985, 72241, 72761, 161153, 361205, 363805, 805765, 1072501, 2094989, 5362505, 10474945, 13942513, 31102529, 69712565, 155512645, 404332877, 2021664385]

約数ペア:

[(1, 2021664385), (5, 404332877), (13, 155512645), (29, 69712565), (65, 31102529), (145, 13942513), (193, 10474945), (377, 5362505), (965, 2094989), (1885, 1072501), (2509, 805765), (5557, 363805), (5597, 361205), (12545, 161153), (27785, 72761), (27985, 72241)]