197905708

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 495500544

約数和(自身を除く): 297594836

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 23, 26, 28, 44, 46, 49, 52, 77, 91, 92, 98, 143, 154, 161, 182, 196, 253, 286, 299, 307, 308, 322, 364, 506, 539, 572, 598, 614, 637, 644, 1001, 1012, 1078, 1127, 1196, 1228, 1274, 1771, 2002, 2093, 2149, 2156, 2254, 2548, 3289, 3377, 3542, 3991, 4004, 4186, 4298, 4508, 6578, 6754, 7007, 7061, 7084, 7982, 8372, 8596, 12397, 13156, 13508, 14014, 14122, 14651, 15043, 15964, 23023, 23639, 24794, 27937, 28028, 28244, 29302, 30086, 43901, 46046, 47278, 49427, 49588, 55874, 58604, 60172, 77671, 87802, 91793, 92092, 94556, 98854, 111748, 155342, 161161, 165473, 175604, 183586, 195559, 197708, 307307, 310684, 322322, 330946, 345989, 367172, 391118, 543697, 614614, 642551, 644644, 661892, 691978, 782236, 1009723, 1087394, 1229228, 1285102, 1383956, 2019446, 2151149, 2174788, 2570204, 3805879, 4038892, 4302298, 4497857, 7068061, 7611758, 8604596, 8995714, 14136122, 15223516, 17991428, 28272244, 49476427, 98952854, 197905708]

約数ペア:

[(1, 197905708), (2, 98952854), (4, 49476427), (7, 28272244), (11, 17991428), (13, 15223516), (14, 14136122), (22, 8995714), (23, 8604596), (26, 7611758), (28, 7068061), (44, 4497857), (46, 4302298), (49, 4038892), (52, 3805879), (77, 2570204), (91, 2174788), (92, 2151149), (98, 2019446), (143, 1383956), (154, 1285102), (161, 1229228), (182, 1087394), (196, 1009723), (253, 782236), (286, 691978), (299, 661892), (307, 644644), (308, 642551), (322, 614614), (364, 543697), (506, 391118), (539, 367172), (572, 345989), (598, 330946), (614, 322322), (637, 310684), (644, 307307), (1001, 197708), (1012, 195559), (1078, 183586), (1127, 175604), (1196, 165473), (1228, 161161), (1274, 155342), (1771, 111748), (2002, 98854), (2093, 94556), (2149, 92092), (2156, 91793), (2254, 87802), (2548, 77671), (3289, 60172), (3377, 58604), (3542, 55874), (3991, 49588), (4004, 49427), (4186, 47278), (4298, 46046), (4508, 43901), (6578, 30086), (6754, 29302), (7007, 28244), (7061, 28028), (7084, 27937), (7982, 24794), (8372, 23639), (8596, 23023), (12397, 15964), (13156, 15043), (13508, 14651), (14014, 14122)]