85981977104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{16187}}^1$

素因数の和:16488

約数の個数: 80

約数和(自身を含む): 178128866880

約数和(自身を除く): 92146889776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 173, 202, 304, 346, 404, 692, 808, 1384, 1616, 1919, 2768, 3287, 3838, 6574, 7676, 13148, 15352, 16187, 17473, 26296, 30704, 32374, 34946, 52592, 64748, 69892, 129496, 139784, 258992, 279568, 307553, 331987, 615106, 663974, 1230212, 1327948, 1634887, 2460424, 2655896, 2800351, 3269774, 4920848, 5311792, 5600702, 6539548, 11201404, 13079096, 22402808, 26158192, 31062853, 44805616, 53206669, 62125706, 106413338, 124251412, 212826676, 248502824, 282835451, 425653352, 497005648, 565670902, 851306704, 1131341804, 2262683608, 4525367216, 5373873569, 10747747138, 21495494276, 42990988552, 85981977104]

約数ペア:

[(1, 85981977104), (2, 42990988552), (4, 21495494276), (8, 10747747138), (16, 5373873569), (19, 4525367216), (38, 2262683608), (76, 1131341804), (101, 851306704), (152, 565670902), (173, 497005648), (202, 425653352), (304, 282835451), (346, 248502824), (404, 212826676), (692, 124251412), (808, 106413338), (1384, 62125706), (1616, 53206669), (1919, 44805616), (2768, 31062853), (3287, 26158192), (3838, 22402808), (6574, 13079096), (7676, 11201404), (13148, 6539548), (15352, 5600702), (16187, 5311792), (17473, 4920848), (26296, 3269774), (30704, 2800351), (32374, 2655896), (34946, 2460424), (52592, 1634887), (64748, 1327948), (69892, 1230212), (129496, 663974), (139784, 615106), (258992, 331987), (279568, 307553)]