638309328

素因数分解:

$2^4\times 3^1\times {\mathrm{13298111}}^1$

素因数の和:13298122

約数の個数: 20

約数和(自身を含む): 1648965888

約数和(自身を除く): 1010656560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13298111, 26596222, 39894333, 53192444, 79788666, 106384888, 159577332, 212769776, 319154664, 638309328]

約数ペア:

[(1, 638309328), (2, 319154664), (3, 212769776), (4, 159577332), (6, 106384888), (8, 79788666), (12, 53192444), (16, 39894333), (24, 26596222), (48, 13298111)]