218156918

素因数分解:

$2^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{1951}}^1$

素因数の和:2137

約数の個数: 32

約数和(自身を含む): 384153600

約数和(自身を除く): 165996682

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 343, 686, 1141, 1951, 2282, 3902, 7987, 13657, 15974, 27314, 55909, 95599, 111818, 191198, 318013, 636026, 669193, 1338386, 2226091, 4452182, 15582637, 31165274, 109078459, 218156918]

約数ペア:

[(1, 218156918), (2, 109078459), (7, 31165274), (14, 15582637), (49, 4452182), (98, 2226091), (163, 1338386), (326, 669193), (343, 636026), (686, 318013), (1141, 191198), (1951, 111818), (2282, 95599), (3902, 55909), (7987, 27314), (13657, 15974)]