217196178

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{1321}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 442288320

約数和(自身を除く): 225092142

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 409, 818, 1227, 1321, 2454, 2642, 3963, 7926, 27403, 54806, 82209, 88507, 164418, 177014, 265521, 531042, 540289, 1080578, 1620867, 3241734, 36199363, 72398726, 108598089, 217196178]

約数ペア:

[(1, 217196178), (2, 108598089), (3, 72398726), (6, 36199363), (67, 3241734), (134, 1620867), (201, 1080578), (402, 540289), (409, 531042), (818, 265521), (1227, 177014), (1321, 164418), (2454, 88507), (2642, 82209), (3963, 54806), (7926, 27403)]