81619670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4289}}^1$

素因数の和:4480

約数の個数: 32

約数和(自身を含む): 161235360

約数和(自身を除く): 79615690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 865, 1730, 1903, 3806, 4289, 8578, 9515, 19030, 21445, 42890, 47179, 94358, 235895, 471790, 741997, 1483994, 3709985, 7419970, 8161967, 16323934, 40809835, 81619670]

約数ペア:

[(1, 81619670), (2, 40809835), (5, 16323934), (10, 8161967), (11, 7419970), (22, 3709985), (55, 1483994), (110, 741997), (173, 471790), (346, 235895), (865, 94358), (1730, 47179), (1903, 42890), (3806, 21445), (4289, 19030), (8578, 9515)]