81773185

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 113840640

約数和(自身を除く): 32067455

約数列:

[1, 5, 13, 29, 47, 65, 71, 145, 169, 235, 355, 377, 611, 845, 923, 1363, 1885, 2059, 3055, 3337, 4615, 4901, 6815, 7943, 10295, 11999, 16685, 17719, 24505, 26767, 39715, 43381, 59995, 88595, 96773, 133835, 216905, 230347, 347971, 483865, 563953, 1151735, 1258049, 1739855, 2819765, 6290245, 16354637, 81773185]

約数ペア:

[(1, 81773185), (5, 16354637), (13, 6290245), (29, 2819765), (47, 1739855), (65, 1258049), (71, 1151735), (145, 563953), (169, 483865), (235, 347971), (355, 230347), (377, 216905), (611, 133835), (845, 96773), (923, 88595), (1363, 59995), (1885, 43381), (2059, 39715), (3055, 26767), (3337, 24505), (4615, 17719), (4901, 16685), (6815, 11999), (7943, 10295)]