28439922

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 69166080

約数和(自身を除く): 40726158

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 157, 227, 266, 314, 399, 454, 471, 681, 798, 942, 1099, 1362, 1589, 2198, 2983, 3178, 3297, 4313, 4767, 5966, 6594, 8626, 8949, 9534, 12939, 17898, 20881, 25878, 30191, 35639, 41762, 60382, 62643, 71278, 90573, 106917, 125286, 181146, 213834, 249473, 498946, 677141, 748419, 1354282, 1496838, 2031423, 4062846, 4739987, 9479974, 14219961, 28439922]

約数ペア:

[(1, 28439922), (2, 14219961), (3, 9479974), (6, 4739987), (7, 4062846), (14, 2031423), (19, 1496838), (21, 1354282), (38, 748419), (42, 677141), (57, 498946), (114, 249473), (133, 213834), (157, 181146), (227, 125286), (266, 106917), (314, 90573), (399, 71278), (454, 62643), (471, 60382), (681, 41762), (798, 35639), (942, 30191), (1099, 25878), (1362, 20881), (1589, 17898), (2198, 12939), (2983, 9534), (3178, 8949), (3297, 8626), (4313, 6594), (4767, 5966)]