1277771888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3307}}^1$

素因数の和:3406

約数の個数: 80

約数和(自身を含む): 2756490240

約数和(自身を除く): 1478718352

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 41, 62, 76, 82, 124, 152, 164, 248, 304, 328, 496, 589, 656, 779, 1178, 1271, 1558, 2356, 2542, 3116, 3307, 4712, 5084, 6232, 6614, 9424, 10168, 12464, 13228, 20336, 24149, 26456, 48298, 52912, 62833, 96596, 102517, 125666, 135587, 193192, 205034, 251332, 271174, 386384, 410068, 502664, 542348, 820136, 1005328, 1084696, 1640272, 1947823, 2169392, 2576153, 3895646, 4203197, 5152306, 7791292, 8406394, 10304612, 15582584, 16812788, 20609224, 31165168, 33625576, 41218448, 67251152, 79860743, 159721486, 319442972, 638885944, 1277771888]

約数ペア:

[(1, 1277771888), (2, 638885944), (4, 319442972), (8, 159721486), (16, 79860743), (19, 67251152), (31, 41218448), (38, 33625576), (41, 31165168), (62, 20609224), (76, 16812788), (82, 15582584), (124, 10304612), (152, 8406394), (164, 7791292), (248, 5152306), (304, 4203197), (328, 3895646), (496, 2576153), (589, 2169392), (656, 1947823), (779, 1640272), (1178, 1084696), (1271, 1005328), (1558, 820136), (2356, 542348), (2542, 502664), (3116, 410068), (3307, 386384), (4712, 271174), (5084, 251332), (6232, 205034), (6614, 193192), (9424, 135587), (10168, 125666), (12464, 102517), (13228, 96596), (20336, 62833), (24149, 52912), (26456, 48298)]