287691430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{21911}}^1$

素因数の和:22032

約数の個数: 32

約数和(自身を含む): 563226048

約数和(自身を除く): 275534618

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2626, 6565, 13130, 21911, 43822, 109555, 219110, 284843, 569686, 1424215, 2213011, 2848430, 4426022, 11065055, 22130110, 28769143, 57538286, 143845715, 287691430]

約数ペア:

[(1, 287691430), (2, 143845715), (5, 57538286), (10, 28769143), (13, 22130110), (26, 11065055), (65, 4426022), (101, 2848430), (130, 2213011), (202, 1424215), (505, 569686), (1010, 284843), (1313, 219110), (2626, 109555), (6565, 43822), (13130, 21911)]