216339588

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 558544896

約数和(自身を除く): 342205308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 191, 219, 292, 382, 431, 438, 573, 657, 764, 862, 876, 1146, 1293, 1314, 1719, 1724, 2292, 2586, 2628, 3438, 3879, 5172, 6876, 7758, 13943, 15516, 27886, 31463, 41829, 55772, 62926, 82321, 83658, 94389, 125487, 125852, 164642, 167316, 188778, 246963, 250974, 283167, 329284, 377556, 493926, 501948, 566334, 740889, 987852, 1132668, 1481778, 2963556, 6009433, 12018866, 18028299, 24037732, 36056598, 54084897, 72113196, 108169794, 216339588]

約数ペア:

[(1, 216339588), (2, 108169794), (3, 72113196), (4, 54084897), (6, 36056598), (9, 24037732), (12, 18028299), (18, 12018866), (36, 6009433), (73, 2963556), (146, 1481778), (191, 1132668), (219, 987852), (292, 740889), (382, 566334), (431, 501948), (438, 493926), (573, 377556), (657, 329284), (764, 283167), (862, 250974), (876, 246963), (1146, 188778), (1293, 167316), (1314, 164642), (1719, 125852), (1724, 125487), (2292, 94389), (2586, 83658), (2628, 82321), (3438, 62926), (3879, 55772), (5172, 41829), (6876, 31463), (7758, 27886), (13943, 15516)]