253220968

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 645765120

約数和(自身を除く): 392544152

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 103, 104, 143, 154, 182, 206, 286, 307, 308, 364, 412, 572, 614, 616, 721, 728, 824, 1001, 1133, 1144, 1228, 1339, 1442, 2002, 2149, 2266, 2456, 2678, 2884, 3377, 3991, 4004, 4298, 4532, 5356, 5768, 6754, 7931, 7982, 8008, 8596, 9064, 9373, 10712, 13508, 14729, 15862, 15964, 17192, 18746, 23639, 27016, 27937, 29458, 31621, 31724, 31928, 37492, 43901, 47278, 55874, 58916, 63242, 63448, 74984, 87802, 94556, 103103, 111748, 117832, 126484, 175604, 189112, 206206, 221347, 223496, 252968, 307307, 347831, 351208, 411073, 412412, 442694, 614614, 695662, 822146, 824824, 885388, 1229228, 1391324, 1644292, 1770776, 2434817, 2458456, 2782648, 2877511, 3288584, 4521803, 4869634, 5755022, 9043606, 9739268, 11510044, 18087212, 19478536, 23020088, 31652621, 36174424, 63305242, 126610484, 253220968]

約数ペア:

[(1, 253220968), (2, 126610484), (4, 63305242), (7, 36174424), (8, 31652621), (11, 23020088), (13, 19478536), (14, 18087212), (22, 11510044), (26, 9739268), (28, 9043606), (44, 5755022), (52, 4869634), (56, 4521803), (77, 3288584), (88, 2877511), (91, 2782648), (103, 2458456), (104, 2434817), (143, 1770776), (154, 1644292), (182, 1391324), (206, 1229228), (286, 885388), (307, 824824), (308, 822146), (364, 695662), (412, 614614), (572, 442694), (614, 412412), (616, 411073), (721, 351208), (728, 347831), (824, 307307), (1001, 252968), (1133, 223496), (1144, 221347), (1228, 206206), (1339, 189112), (1442, 175604), (2002, 126484), (2149, 117832), (2266, 111748), (2456, 103103), (2678, 94556), (2884, 87802), (3377, 74984), (3991, 63448), (4004, 63242), (4298, 58916), (4532, 55874), (5356, 47278), (5768, 43901), (6754, 37492), (7931, 31928), (7982, 31724), (8008, 31621), (8596, 29458), (9064, 27937), (9373, 27016), (10712, 23639), (13508, 18746), (14729, 17192), (15862, 15964)]