198914716

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 489065472

約数和(自身を除く): 290150756

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 47, 49, 52, 77, 91, 94, 98, 143, 151, 154, 182, 188, 196, 286, 302, 308, 329, 364, 517, 539, 572, 604, 611, 637, 658, 1001, 1034, 1057, 1078, 1222, 1274, 1316, 1661, 1963, 2002, 2068, 2114, 2156, 2303, 2444, 2548, 3322, 3619, 3926, 4004, 4228, 4277, 4606, 6644, 6721, 7007, 7097, 7238, 7399, 7852, 8554, 9212, 11627, 13442, 13741, 14014, 14194, 14476, 14798, 17108, 21593, 23254, 25333, 26884, 27482, 28028, 28388, 29596, 29939, 43186, 46508, 47047, 49679, 50666, 54964, 59878, 78067, 81389, 86372, 92261, 94094, 96187, 99358, 101332, 119756, 151151, 156134, 162778, 184522, 188188, 192374, 198716, 302302, 312268, 325556, 329329, 347753, 369044, 384748, 546469, 604604, 645827, 658658, 695506, 1014871, 1058057, 1092938, 1291654, 1317316, 1391012, 2029742, 2116114, 2185876, 2583308, 3825283, 4059484, 4232228, 4520789, 7104097, 7650566, 9041578, 14208194, 15301132, 18083156, 28416388, 49728679, 99457358, 198914716]

約数ペア:

[(1, 198914716), (2, 99457358), (4, 49728679), (7, 28416388), (11, 18083156), (13, 15301132), (14, 14208194), (22, 9041578), (26, 7650566), (28, 7104097), (44, 4520789), (47, 4232228), (49, 4059484), (52, 3825283), (77, 2583308), (91, 2185876), (94, 2116114), (98, 2029742), (143, 1391012), (151, 1317316), (154, 1291654), (182, 1092938), (188, 1058057), (196, 1014871), (286, 695506), (302, 658658), (308, 645827), (329, 604604), (364, 546469), (517, 384748), (539, 369044), (572, 347753), (604, 329329), (611, 325556), (637, 312268), (658, 302302), (1001, 198716), (1034, 192374), (1057, 188188), (1078, 184522), (1222, 162778), (1274, 156134), (1316, 151151), (1661, 119756), (1963, 101332), (2002, 99358), (2068, 96187), (2114, 94094), (2156, 92261), (2303, 86372), (2444, 81389), (2548, 78067), (3322, 59878), (3619, 54964), (3926, 50666), (4004, 49679), (4228, 47047), (4277, 46508), (4606, 43186), (6644, 29939), (6721, 29596), (7007, 28388), (7097, 28028), (7238, 27482), (7399, 26884), (7852, 25333), (8554, 23254), (9212, 21593), (11627, 17108), (13442, 14798), (13741, 14476), (14014, 14194)]