209901404

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 396979968

約数和(自身を除く): 187078564

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 97, 172, 194, 388, 547, 989, 1094, 1978, 2188, 2231, 3956, 4171, 4462, 8342, 8924, 12581, 16684, 23521, 25162, 47042, 50324, 53059, 94084, 95933, 106118, 191866, 212236, 383732, 540983, 1081966, 1220357, 2163932, 2281537, 2440714, 4563074, 4881428, 9126148, 52475351, 104950702, 209901404]

約数ペア:

[(1, 209901404), (2, 104950702), (4, 52475351), (23, 9126148), (43, 4881428), (46, 4563074), (86, 2440714), (92, 2281537), (97, 2163932), (172, 1220357), (194, 1081966), (388, 540983), (547, 383732), (989, 212236), (1094, 191866), (1978, 106118), (2188, 95933), (2231, 94084), (3956, 53059), (4171, 50324), (4462, 47042), (8342, 25162), (8924, 23521), (12581, 16684)]