31988892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{73}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 83049904

約数和(自身を除く): 51061012

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 73, 78, 106, 146, 156, 159, 212, 219, 292, 318, 438, 636, 689, 876, 949, 1378, 1898, 2067, 2756, 2809, 2847, 3796, 3869, 4134, 5618, 5694, 7738, 8268, 8427, 11236, 11388, 11607, 15476, 16854, 23214, 33708, 36517, 46428, 50297, 73034, 100594, 109551, 146068, 150891, 201188, 205057, 219102, 301782, 410114, 438204, 603564, 615171, 820228, 1230342, 2460684, 2665741, 5331482, 7997223, 10662964, 15994446, 31988892]

約数ペア:

[(1, 31988892), (2, 15994446), (3, 10662964), (4, 7997223), (6, 5331482), (12, 2665741), (13, 2460684), (26, 1230342), (39, 820228), (52, 615171), (53, 603564), (73, 438204), (78, 410114), (106, 301782), (146, 219102), (156, 205057), (159, 201188), (212, 150891), (219, 146068), (292, 109551), (318, 100594), (438, 73034), (636, 50297), (689, 46428), (876, 36517), (949, 33708), (1378, 23214), (1898, 16854), (2067, 15476), (2756, 11607), (2809, 11388), (2847, 11236), (3796, 8427), (3869, 8268), (4134, 7738), (5618, 5694)]