247263016

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 144

約数和(自身を含む): 639988020

約数和(自身を除く): 392725004

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 121, 143, 154, 182, 196, 242, 286, 308, 364, 392, 401, 484, 539, 572, 616, 637, 728, 802, 847, 968, 1001, 1078, 1144, 1274, 1573, 1604, 1694, 2002, 2156, 2548, 2807, 3146, 3208, 3388, 4004, 4312, 4411, 5096, 5213, 5614, 5929, 6292, 6776, 7007, 8008, 8822, 10426, 11011, 11228, 11858, 12584, 14014, 17644, 19649, 20852, 22022, 22456, 23716, 28028, 30877, 35288, 36491, 39298, 41704, 44044, 47432, 48521, 56056, 57343, 61754, 72982, 77077, 78596, 88088, 97042, 114686, 123508, 145964, 154154, 157192, 194084, 216139, 229372, 247016, 255437, 291928, 308308, 339647, 388168, 401401, 432278, 458744, 510874, 616616, 630773, 679294, 802802, 864556, 1021748, 1261546, 1358588, 1605604, 1729112, 2043496, 2377529, 2523092, 2717176, 2809807, 3211208, 4415411, 4755058, 5046184, 5619614, 8830822, 9510116, 11239228, 17661644, 19020232, 22478456, 30907877, 35323288, 61815754, 123631508, 247263016]

約数ペア:

[(1, 247263016), (2, 123631508), (4, 61815754), (7, 35323288), (8, 30907877), (11, 22478456), (13, 19020232), (14, 17661644), (22, 11239228), (26, 9510116), (28, 8830822), (44, 5619614), (49, 5046184), (52, 4755058), (56, 4415411), (77, 3211208), (88, 2809807), (91, 2717176), (98, 2523092), (104, 2377529), (121, 2043496), (143, 1729112), (154, 1605604), (182, 1358588), (196, 1261546), (242, 1021748), (286, 864556), (308, 802802), (364, 679294), (392, 630773), (401, 616616), (484, 510874), (539, 458744), (572, 432278), (616, 401401), (637, 388168), (728, 339647), (802, 308308), (847, 291928), (968, 255437), (1001, 247016), (1078, 229372), (1144, 216139), (1274, 194084), (1573, 157192), (1604, 154154), (1694, 145964), (2002, 123508), (2156, 114686), (2548, 97042), (2807, 88088), (3146, 78596), (3208, 77077), (3388, 72982), (4004, 61754), (4312, 57343), (4411, 56056), (5096, 48521), (5213, 47432), (5614, 44044), (5929, 41704), (6292, 39298), (6776, 36491), (7007, 35288), (8008, 30877), (8822, 28028), (10426, 23716), (11011, 22456), (11228, 22022), (11858, 20852), (12584, 19649), (14014, 17644)]