215511128

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 475891200

約数和(自身を除く): 260380072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 71, 134, 142, 268, 284, 469, 497, 536, 568, 809, 938, 994, 1618, 1876, 1988, 3236, 3752, 3976, 4757, 5663, 6472, 9514, 11326, 19028, 22652, 33299, 38056, 45304, 54203, 57439, 66598, 108406, 114878, 133196, 216812, 229756, 266392, 379421, 402073, 433624, 459512, 758842, 804146, 1517684, 1608292, 3035368, 3216584, 3848413, 7696826, 15393652, 26938891, 30787304, 53877782, 107755564, 215511128]

約数ペア:

[(1, 215511128), (2, 107755564), (4, 53877782), (7, 30787304), (8, 26938891), (14, 15393652), (28, 7696826), (56, 3848413), (67, 3216584), (71, 3035368), (134, 1608292), (142, 1517684), (268, 804146), (284, 758842), (469, 459512), (497, 433624), (536, 402073), (568, 379421), (809, 266392), (938, 229756), (994, 216812), (1618, 133196), (1876, 114878), (1988, 108406), (3236, 66598), (3752, 57439), (3976, 54203), (4757, 45304), (5663, 38056), (6472, 33299), (9514, 22652), (11326, 19028)]