161194788

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 421477056

約数和(自身を除く): 260282268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 101, 129, 172, 202, 258, 303, 387, 404, 516, 606, 774, 909, 1031, 1212, 1548, 1818, 2062, 3093, 3636, 4124, 4343, 6186, 8686, 9279, 12372, 13029, 17372, 18558, 26058, 37116, 39087, 44333, 52116, 78174, 88666, 104131, 132999, 156348, 177332, 208262, 265998, 312393, 398997, 416524, 531996, 624786, 797994, 937179, 1249572, 1595988, 1874358, 3748716, 4477633, 8955266, 13432899, 17910532, 26865798, 40298697, 53731596, 80597394, 161194788]

約数ペア:

[(1, 161194788), (2, 80597394), (3, 53731596), (4, 40298697), (6, 26865798), (9, 17910532), (12, 13432899), (18, 8955266), (36, 4477633), (43, 3748716), (86, 1874358), (101, 1595988), (129, 1249572), (172, 937179), (202, 797994), (258, 624786), (303, 531996), (387, 416524), (404, 398997), (516, 312393), (606, 265998), (774, 208262), (909, 177332), (1031, 156348), (1212, 132999), (1548, 104131), (1818, 88666), (2062, 78174), (3093, 52116), (3636, 44333), (4124, 39087), (4343, 37116), (6186, 26058), (8686, 18558), (9279, 17372), (12372, 13029)]