27698810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 24141190

約数列:

[1, 2, 5, 10, 31, 62, 155, 199, 310, 398, 449, 898, 995, 1990, 2245, 4490, 6169, 12338, 13919, 27838, 30845, 61690, 69595, 89351, 139190, 178702, 446755, 893510, 2769881, 5539762, 13849405, 27698810]

約数ペア:

[(1, 27698810), (2, 13849405), (5, 5539762), (10, 2769881), (31, 893510), (62, 446755), (155, 178702), (199, 139190), (310, 89351), (398, 69595), (449, 61690), (898, 30845), (995, 27838), (1990, 13919), (2245, 12338), (4490, 6169)]