1289164808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 2608588800

約数和(自身を除く): 1319423992

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 127, 136, 202, 254, 404, 508, 739, 808, 1016, 1478, 1717, 2159, 2956, 3434, 4318, 5912, 6868, 8636, 12563, 12827, 13736, 17272, 25126, 25654, 50252, 51308, 74639, 93853, 100504, 102616, 149278, 187706, 218059, 298556, 375412, 436118, 597112, 750824, 872236, 1268863, 1595501, 1744472, 2537726, 3191002, 5075452, 6382004, 9479153, 10150904, 12764008, 18958306, 37916612, 75833224, 161145601, 322291202, 644582404, 1289164808]

約数ペア:

[(1, 1289164808), (2, 644582404), (4, 322291202), (8, 161145601), (17, 75833224), (34, 37916612), (68, 18958306), (101, 12764008), (127, 10150904), (136, 9479153), (202, 6382004), (254, 5075452), (404, 3191002), (508, 2537726), (739, 1744472), (808, 1595501), (1016, 1268863), (1478, 872236), (1717, 750824), (2159, 597112), (2956, 436118), (3434, 375412), (4318, 298556), (5912, 218059), (6868, 187706), (8636, 149278), (12563, 102616), (12827, 100504), (13736, 93853), (17272, 74639), (25126, 51308), (25654, 50252)]