1561863842

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 2965697280

約数和(自身を除く): 1403833438

約数列:

[1, 2, 7, 11, 14, 22, 77, 137, 154, 181, 274, 362, 409, 818, 959, 1267, 1507, 1918, 1991, 2534, 2863, 3014, 3982, 4499, 5726, 8998, 10549, 13937, 21098, 24797, 27874, 31493, 49594, 56033, 62986, 74029, 112066, 148058, 173579, 272767, 347158, 392231, 518203, 545534, 616363, 784462, 814319, 1036406, 1232726, 1628638, 1909369, 3818738, 4314541, 5700233, 8629082, 10141973, 11400466, 20283946, 70993811, 111561703, 141987622, 223123406, 780931921, 1561863842]

約数ペア:

[(1, 1561863842), (2, 780931921), (7, 223123406), (11, 141987622), (14, 111561703), (22, 70993811), (77, 20283946), (137, 11400466), (154, 10141973), (181, 8629082), (274, 5700233), (362, 4314541), (409, 3818738), (818, 1909369), (959, 1628638), (1267, 1232726), (1507, 1036406), (1918, 814319), (1991, 784462), (2534, 616363), (2863, 545534), (3014, 518203), (3982, 392231), (4499, 347158), (5726, 272767), (8998, 173579), (10549, 148058), (13937, 112066), (21098, 74029), (24797, 62986), (27874, 56033), (31493, 49594)]