521507116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1999}}^1$

素因数の和:2218

約数の個数: 48

約数和(自身を含む): 1023120000

約数和(自身を除く): 501612884

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 173, 346, 377, 692, 754, 1508, 1999, 2249, 3998, 4498, 5017, 7996, 8996, 10034, 20068, 25987, 51974, 57971, 65221, 103948, 115942, 130442, 231884, 260884, 345827, 691654, 753623, 1383308, 1507246, 3014492, 4495751, 8991502, 10028983, 17983004, 20057966, 40115932, 130376779, 260753558, 521507116]

約数ペア:

[(1, 521507116), (2, 260753558), (4, 130376779), (13, 40115932), (26, 20057966), (29, 17983004), (52, 10028983), (58, 8991502), (116, 4495751), (173, 3014492), (346, 1507246), (377, 1383308), (692, 753623), (754, 691654), (1508, 345827), (1999, 260884), (2249, 231884), (3998, 130442), (4498, 115942), (5017, 103948), (7996, 65221), (8996, 57971), (10034, 51974), (20068, 25987)]