128973856

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8521}}^1$

素因数の和:8585

約数の個数: 48

約数和(自身を含む): 283475808

約数和(自身を除く): 154501952

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1892, 3784, 7568, 8521, 15136, 17042, 34084, 68168, 93731, 136336, 187462, 272672, 366403, 374924, 732806, 749848, 1465612, 1499696, 2931224, 2999392, 4030433, 5862448, 8060866, 11724896, 16121732, 32243464, 64486928, 128973856]

約数ペア:

[(1, 128973856), (2, 64486928), (4, 32243464), (8, 16121732), (11, 11724896), (16, 8060866), (22, 5862448), (32, 4030433), (43, 2999392), (44, 2931224), (86, 1499696), (88, 1465612), (172, 749848), (176, 732806), (344, 374924), (352, 366403), (473, 272672), (688, 187462), (946, 136336), (1376, 93731), (1892, 68168), (3784, 34084), (7568, 17042), (8521, 15136)]