218965754

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{90407}}^1$

素因数の和:90589

約数の個数: 16

約数和(自身を含む): 377543808

約数和(自身を除く): 158578054

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 90407, 180814, 632849, 1265698, 15640411, 31280822, 109482877, 218965754]

約数ペア:

[(1, 218965754), (2, 109482877), (7, 31280822), (14, 15640411), (173, 1265698), (346, 632849), (1211, 180814), (2422, 90407)]