721473228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{69829}}^1$

素因数の和:69887

約数の個数: 72

約数和(自身を含む): 2135122080

約数和(自身を除く): 1413648852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2583, 3444, 5166, 10332, 69829, 139658, 209487, 279316, 418974, 488803, 628461, 837948, 977606, 1256922, 1466409, 1955212, 2513844, 2862989, 2932818, 4399227, 5725978, 5865636, 8588967, 8798454, 11451956, 17177934, 17596908, 20040923, 25766901, 34355868, 40081846, 51533802, 60122769, 80163692, 103067604, 120245538, 180368307, 240491076, 360736614, 721473228]

約数ペア:

[(1, 721473228), (2, 360736614), (3, 240491076), (4, 180368307), (6, 120245538), (7, 103067604), (9, 80163692), (12, 60122769), (14, 51533802), (18, 40081846), (21, 34355868), (28, 25766901), (36, 20040923), (41, 17596908), (42, 17177934), (63, 11451956), (82, 8798454), (84, 8588967), (123, 5865636), (126, 5725978), (164, 4399227), (246, 2932818), (252, 2862989), (287, 2513844), (369, 1955212), (492, 1466409), (574, 1256922), (738, 977606), (861, 837948), (1148, 628461), (1476, 488803), (1722, 418974), (2583, 279316), (3444, 209487), (5166, 139658), (10332, 69829)]