31980132

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 84148064

約数和(自身を除く): 52167932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 73, 86, 129, 146, 172, 219, 258, 283, 292, 387, 438, 516, 566, 657, 774, 849, 876, 1132, 1314, 1548, 1698, 2547, 2628, 3139, 3396, 5094, 6278, 9417, 10188, 12169, 12556, 18834, 20659, 24338, 28251, 36507, 37668, 41318, 48676, 56502, 61977, 73014, 82636, 109521, 113004, 123954, 146028, 185931, 219042, 247908, 371862, 438084, 743724, 888337, 1776674, 2665011, 3553348, 5330022, 7995033, 10660044, 15990066, 31980132]

約数ペア:

[(1, 31980132), (2, 15990066), (3, 10660044), (4, 7995033), (6, 5330022), (9, 3553348), (12, 2665011), (18, 1776674), (36, 888337), (43, 743724), (73, 438084), (86, 371862), (129, 247908), (146, 219042), (172, 185931), (219, 146028), (258, 123954), (283, 113004), (292, 109521), (387, 82636), (438, 73014), (516, 61977), (566, 56502), (657, 48676), (774, 41318), (849, 37668), (876, 36507), (1132, 28251), (1314, 24338), (1548, 20659), (1698, 18834), (2547, 12556), (2628, 12169), (3139, 10188), (3396, 9417), (5094, 6278)]