81031398

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{367}}^1\times {\mathrm{751}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 189287424

約数和(自身を除く): 108256026

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 367, 734, 751, 1101, 1502, 2202, 2253, 2569, 4506, 5138, 5257, 7707, 10514, 15414, 15771, 17983, 31542, 35966, 36799, 53949, 73598, 107898, 110397, 220794, 275617, 551234, 826851, 1653702, 1929319, 3858638, 5787957, 11575914, 13505233, 27010466, 40515699, 81031398]

約数ペア:

[(1, 81031398), (2, 40515699), (3, 27010466), (6, 13505233), (7, 11575914), (14, 5787957), (21, 3858638), (42, 1929319), (49, 1653702), (98, 826851), (147, 551234), (294, 275617), (367, 220794), (734, 110397), (751, 107898), (1101, 73598), (1502, 53949), (2202, 36799), (2253, 35966), (2569, 31542), (4506, 17983), (5138, 15771), (5257, 15414), (7707, 10514)]