81361788

素因数分解:

$2^2\times 3^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 193019904

約数和(自身を除く): 111658116

約数列:

[1, 2, 3, 4, 6, 12, 127, 197, 254, 271, 381, 394, 508, 542, 591, 762, 788, 813, 1084, 1182, 1524, 1626, 2364, 3252, 25019, 34417, 50038, 53387, 68834, 75057, 100076, 103251, 106774, 137668, 150114, 160161, 206502, 213548, 300228, 320322, 413004, 640644, 6780149, 13560298, 20340447, 27120596, 40680894, 81361788]

約数ペア:

[(1, 81361788), (2, 40680894), (3, 27120596), (4, 20340447), (6, 13560298), (12, 6780149), (127, 640644), (197, 413004), (254, 320322), (271, 300228), (381, 213548), (394, 206502), (508, 160161), (542, 150114), (591, 137668), (762, 106774), (788, 103251), (813, 100076), (1084, 75057), (1182, 68834), (1524, 53387), (1626, 50038), (2364, 34417), (3252, 25019)]