81333028

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 167086080

約数和(自身を除く): 85753052

約数列:

[1, 2, 4, 7, 14, 28, 79, 83, 158, 166, 316, 332, 443, 553, 581, 886, 1106, 1162, 1772, 2212, 2324, 3101, 6202, 6557, 12404, 13114, 26228, 34997, 36769, 45899, 69994, 73538, 91798, 139988, 147076, 183596, 244979, 257383, 489958, 514766, 979916, 1029532, 2904751, 5809502, 11619004, 20333257, 40666514, 81333028]

約数ペア:

[(1, 81333028), (2, 40666514), (4, 20333257), (7, 11619004), (14, 5809502), (28, 2904751), (79, 1029532), (83, 979916), (158, 514766), (166, 489958), (316, 257383), (332, 244979), (443, 183596), (553, 147076), (581, 139988), (886, 91798), (1106, 73538), (1162, 69994), (1772, 45899), (2212, 36769), (2324, 34997), (3101, 26228), (6202, 13114), (6557, 12404)]