1279078557775

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1\times {\mathrm{5641}}^1$

素因数の和:6436

約数の個数: 48

約数和(自身を含む): 1614163561920

約数和(自身を除く): 335085004145

約数列:

[1, 5, 25, 103, 173, 509, 515, 865, 2545, 2575, 4325, 5641, 12725, 17819, 28205, 52427, 88057, 89095, 141025, 262135, 440285, 445475, 581023, 975893, 1310675, 2201425, 2871269, 2905115, 4879465, 9069871, 14356345, 14525575, 24397325, 45349355, 71781725, 100516979, 226746775, 295740707, 496729537, 502584895, 1478703535, 2483647685, 2512924475, 7393517675, 12418238425, 51163142311, 255815711555, 1279078557775]

約数ペア:

[(1, 1279078557775), (5, 255815711555), (25, 51163142311), (103, 12418238425), (173, 7393517675), (509, 2512924475), (515, 2483647685), (865, 1478703535), (2545, 502584895), (2575, 496729537), (4325, 295740707), (5641, 226746775), (12725, 100516979), (17819, 71781725), (28205, 45349355), (52427, 24397325), (88057, 14525575), (89095, 14356345), (141025, 9069871), (262135, 4879465), (440285, 2905115), (445475, 2871269), (581023, 2201425), (975893, 1310675)]