209684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 403200

約数和(自身を除く): 193516

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 89, 124, 178, 356, 589, 1178, 1691, 2356, 2759, 3382, 5518, 6764, 11036, 52421, 104842, 209684]

約数ペア:

[(1, 209684), (2, 104842), (4, 52421), (19, 11036), (31, 6764), (38, 5518), (62, 3382), (76, 2759), (89, 2356), (124, 1691), (178, 1178), (356, 589)]