81709012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4349}}^1$

素因数の和:4432

約数の個数: 48

約数和(自身を含む): 181238400

約数和(自身を除く): 99529388

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1342, 1708, 2684, 4349, 4697, 8698, 9394, 17396, 18788, 30443, 47839, 60886, 95678, 121772, 191356, 265289, 334873, 530578, 669746, 1061156, 1339492, 1857023, 2918179, 3714046, 5836358, 7428092, 11672716, 20427253, 40854506, 81709012]

約数ペア:

[(1, 81709012), (2, 40854506), (4, 20427253), (7, 11672716), (11, 7428092), (14, 5836358), (22, 3714046), (28, 2918179), (44, 1857023), (61, 1339492), (77, 1061156), (122, 669746), (154, 530578), (244, 334873), (308, 265289), (427, 191356), (671, 121772), (854, 95678), (1342, 60886), (1708, 47839), (2684, 30443), (4349, 18788), (4697, 17396), (8698, 9394)]