2008664648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 4251411360

約数和(自身を除く): 2242746712

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 163, 251, 323, 326, 361, 502, 646, 652, 722, 1004, 1292, 1304, 1444, 2008, 2584, 2771, 2888, 3097, 4267, 4769, 5542, 6137, 6194, 8534, 9538, 11084, 12274, 12388, 17068, 19076, 22168, 24548, 24776, 34136, 38152, 40913, 49096, 52649, 58843, 81073, 81826, 90611, 105298, 117686, 162146, 163652, 181222, 210596, 235372, 324292, 327304, 362444, 421192, 470744, 648584, 695521, 724888, 777347, 1000331, 1391042, 1540387, 1554694, 2000662, 2782084, 3080774, 3109388, 4001324, 5564168, 6161548, 6218776, 8002648, 12323096, 13214899, 14769593, 26429798, 29539186, 52859596, 59078372, 105719192, 118156744, 251083081, 502166162, 1004332324, 2008664648]

約数ペア:

[(1, 2008664648), (2, 1004332324), (4, 502166162), (8, 251083081), (17, 118156744), (19, 105719192), (34, 59078372), (38, 52859596), (68, 29539186), (76, 26429798), (136, 14769593), (152, 13214899), (163, 12323096), (251, 8002648), (323, 6218776), (326, 6161548), (361, 5564168), (502, 4001324), (646, 3109388), (652, 3080774), (722, 2782084), (1004, 2000662), (1292, 1554694), (1304, 1540387), (1444, 1391042), (2008, 1000331), (2584, 777347), (2771, 724888), (2888, 695521), (3097, 648584), (4267, 470744), (4769, 421192), (5542, 362444), (6137, 327304), (6194, 324292), (8534, 235372), (9538, 210596), (11084, 181222), (12274, 163652), (12388, 162146), (17068, 117686), (19076, 105298), (22168, 90611), (24548, 81826), (24776, 81073), (34136, 58843), (38152, 52649), (40913, 49096)]