987229150

素因数分解:

$2^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{40213}}^1$

素因数の和:40716

約数の個数: 24

約数和(自身を含む): 1840031784

約数和(自身を除く): 852802634

約数列:

[1, 2, 5, 10, 25, 50, 491, 982, 2455, 4910, 12275, 24550, 40213, 80426, 201065, 402130, 1005325, 2010650, 19744583, 39489166, 98722915, 197445830, 493614575, 987229150]

約数ペア:

[(1, 987229150), (2, 493614575), (5, 197445830), (10, 98722915), (25, 39489166), (50, 19744583), (491, 2010650), (982, 1005325), (2455, 402130), (4910, 201065), (12275, 80426), (24550, 40213)]