81479454

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{1451}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 190688256

約数和(自身を除く): 109208802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 191, 294, 382, 573, 1146, 1337, 1451, 2674, 2902, 4011, 4353, 8022, 8706, 9359, 10157, 18718, 20314, 28077, 30471, 56154, 60942, 71099, 142198, 213297, 277141, 426594, 554282, 831423, 1662846, 1939987, 3879974, 5819961, 11639922, 13579909, 27159818, 40739727, 81479454]

約数ペア:

[(1, 81479454), (2, 40739727), (3, 27159818), (6, 13579909), (7, 11639922), (14, 5819961), (21, 3879974), (42, 1939987), (49, 1662846), (98, 831423), (147, 554282), (191, 426594), (294, 277141), (382, 213297), (573, 142198), (1146, 71099), (1337, 60942), (1451, 56154), (2674, 30471), (2902, 28077), (4011, 20314), (4353, 18718), (8022, 10157), (8706, 9359)]