281317192

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 614476800

約数和(自身を除く): 333159608

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 59, 76, 104, 118, 127, 152, 236, 247, 254, 361, 472, 494, 508, 722, 767, 988, 1016, 1121, 1444, 1534, 1651, 1976, 2242, 2413, 2888, 3068, 3302, 4484, 4693, 4826, 6136, 6604, 7493, 8968, 9386, 9652, 13208, 14573, 14986, 18772, 19304, 21299, 29146, 29972, 31369, 37544, 42598, 45847, 58292, 59944, 62738, 85196, 91694, 97409, 116584, 125476, 142367, 170392, 183388, 194818, 250952, 276887, 284734, 366776, 389636, 553774, 569468, 596011, 779272, 1107548, 1138936, 1192022, 1850771, 2215096, 2384044, 2704973, 3701542, 4768088, 5409946, 7403084, 10819892, 14806168, 21639784, 35164649, 70329298, 140658596, 281317192]

約数ペア:

[(1, 281317192), (2, 140658596), (4, 70329298), (8, 35164649), (13, 21639784), (19, 14806168), (26, 10819892), (38, 7403084), (52, 5409946), (59, 4768088), (76, 3701542), (104, 2704973), (118, 2384044), (127, 2215096), (152, 1850771), (236, 1192022), (247, 1138936), (254, 1107548), (361, 779272), (472, 596011), (494, 569468), (508, 553774), (722, 389636), (767, 366776), (988, 284734), (1016, 276887), (1121, 250952), (1444, 194818), (1534, 183388), (1651, 170392), (1976, 142367), (2242, 125476), (2413, 116584), (2888, 97409), (3068, 91694), (3302, 85196), (4484, 62738), (4693, 59944), (4826, 58292), (6136, 45847), (6604, 42598), (7493, 37544), (8968, 31369), (9386, 29972), (9652, 29146), (13208, 21299), (14573, 19304), (14986, 18772)]