821000870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1\times {\mathrm{2213}}^1$

素因数の和:3856

約数の個数: 32

約数和(自身を含む): 1543707072

約数和(自身を除く): 722706202

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1613, 2213, 3226, 4426, 8065, 11065, 16130, 22130, 37099, 50899, 74198, 101798, 185495, 254495, 370990, 508990, 3569569, 7139138, 17847845, 35695690, 82100087, 164200174, 410500435, 821000870]

約数ペア:

[(1, 821000870), (2, 410500435), (5, 164200174), (10, 82100087), (23, 35695690), (46, 17847845), (115, 7139138), (230, 3569569), (1613, 508990), (2213, 370990), (3226, 254495), (4426, 185495), (8065, 101798), (11065, 74198), (16130, 50899), (22130, 37099)]