198325778

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{35327}}^1$

素因数の和:35737

約数の個数: 16

約数和(自身を含む): 340844544

約数和(自身を除く): 142518766

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 35327, 70654, 247289, 494578, 14166127, 28332254, 99162889, 198325778]

約数ペア:

[(1, 198325778), (2, 99162889), (7, 28332254), (14, 14166127), (401, 494578), (802, 247289), (2807, 70654), (5614, 35327)]