2987978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 5529600

約数和(自身を除く): 2541622

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 239, 266, 329, 478, 658, 893, 1673, 1786, 3346, 4541, 6251, 9082, 11233, 12502, 22466, 31787, 63574, 78631, 157262, 213427, 426854, 1493989, 2987978]

約数ペア:

[(1, 2987978), (2, 1493989), (7, 426854), (14, 213427), (19, 157262), (38, 78631), (47, 63574), (94, 31787), (133, 22466), (239, 12502), (266, 11233), (329, 9082), (478, 6251), (658, 4541), (893, 3346), (1673, 1786)]