28396168

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 58988160

約数和(自身を除く): 30591992

約数列:

[1, 2, 4, 8, 23, 37, 43, 46, 74, 86, 92, 97, 148, 172, 184, 194, 296, 344, 388, 776, 851, 989, 1591, 1702, 1978, 2231, 3182, 3404, 3589, 3956, 4171, 4462, 6364, 6808, 7178, 7912, 8342, 8924, 12728, 14356, 16684, 17848, 28712, 33368, 36593, 73186, 82547, 95933, 146372, 154327, 165094, 191866, 292744, 308654, 330188, 383732, 617308, 660376, 767464, 1234616, 3549521, 7099042, 14198084, 28396168]

約数ペア:

[(1, 28396168), (2, 14198084), (4, 7099042), (8, 3549521), (23, 1234616), (37, 767464), (43, 660376), (46, 617308), (74, 383732), (86, 330188), (92, 308654), (97, 292744), (148, 191866), (172, 165094), (184, 154327), (194, 146372), (296, 95933), (344, 82547), (388, 73186), (776, 36593), (851, 33368), (989, 28712), (1591, 17848), (1702, 16684), (1978, 14356), (2231, 12728), (3182, 8924), (3404, 8342), (3589, 7912), (3956, 7178), (4171, 6808), (4462, 6364)]