667149128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 1361817600

約数和(自身を除く): 694668472

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 103, 152, 172, 206, 344, 412, 817, 824, 991, 1634, 1957, 1982, 3268, 3914, 3964, 4429, 6536, 7828, 7928, 8858, 15656, 17716, 18829, 35432, 37658, 42613, 75316, 84151, 85226, 102073, 150632, 168302, 170452, 204146, 336604, 340904, 408292, 673208, 809647, 816584, 1619294, 1939387, 3238588, 3878774, 4389139, 6477176, 7757548, 8778278, 15515096, 17556556, 35113112, 83393641, 166787282, 333574564, 667149128]

約数ペア:

[(1, 667149128), (2, 333574564), (4, 166787282), (8, 83393641), (19, 35113112), (38, 17556556), (43, 15515096), (76, 8778278), (86, 7757548), (103, 6477176), (152, 4389139), (172, 3878774), (206, 3238588), (344, 1939387), (412, 1619294), (817, 816584), (824, 809647), (991, 673208), (1634, 408292), (1957, 340904), (1982, 336604), (3268, 204146), (3914, 170452), (3964, 168302), (4429, 150632), (6536, 102073), (7828, 85226), (7928, 84151), (8858, 75316), (15656, 42613), (17716, 37658), (18829, 35432)]