1398704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 2946240

約数和(自身を除く): 1547536

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 107, 152, 172, 214, 304, 344, 428, 688, 817, 856, 1634, 1712, 2033, 3268, 4066, 4601, 6536, 8132, 9202, 13072, 16264, 18404, 32528, 36808, 73616, 87419, 174838, 349676, 699352, 1398704]

約数ペア:

[(1, 1398704), (2, 699352), (4, 349676), (8, 174838), (16, 87419), (19, 73616), (38, 36808), (43, 32528), (76, 18404), (86, 16264), (107, 13072), (152, 9202), (172, 8132), (214, 6536), (304, 4601), (344, 4066), (428, 3268), (688, 2033), (817, 1712), (856, 1634)]