87257492

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 188037696

約数和(自身を除く): 100780204

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 137, 161, 172, 274, 301, 322, 529, 548, 602, 644, 959, 989, 1058, 1204, 1918, 1978, 2116, 3151, 3703, 3836, 3956, 5891, 6302, 6923, 7406, 11782, 12604, 13846, 14812, 22057, 22747, 23564, 27692, 41237, 44114, 45494, 72473, 82474, 88228, 90988, 135493, 144946, 159229, 164948, 270986, 289892, 318458, 507311, 541972, 636916, 948451, 1014622, 1896902, 2029244, 3116339, 3793804, 6232678, 12465356, 21814373, 43628746, 87257492]

約数ペア:

[(1, 87257492), (2, 43628746), (4, 21814373), (7, 12465356), (14, 6232678), (23, 3793804), (28, 3116339), (43, 2029244), (46, 1896902), (86, 1014622), (92, 948451), (137, 636916), (161, 541972), (172, 507311), (274, 318458), (301, 289892), (322, 270986), (529, 164948), (548, 159229), (602, 144946), (644, 135493), (959, 90988), (989, 88228), (1058, 82474), (1204, 72473), (1918, 45494), (1978, 44114), (2116, 41237), (3151, 27692), (3703, 23564), (3836, 22747), (3956, 22057), (5891, 14812), (6302, 13846), (6923, 12604), (7406, 11782)]