216371916

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{12241}}^1$

素因数の和:12742

約数の個数: 36

約数和(自身を含む): 548098824

約数和(自身を除く): 331726908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1473, 1964, 2946, 4419, 5892, 8838, 12241, 17676, 24482, 36723, 48964, 73446, 110169, 146892, 220338, 440676, 6010331, 12020662, 18030993, 24041324, 36061986, 54092979, 72123972, 108185958, 216371916]

約数ペア:

[(1, 216371916), (2, 108185958), (3, 72123972), (4, 54092979), (6, 36061986), (9, 24041324), (12, 18030993), (18, 12020662), (36, 6010331), (491, 440676), (982, 220338), (1473, 146892), (1964, 110169), (2946, 73446), (4419, 48964), (5892, 36723), (8838, 24482), (12241, 17676)]