219555468

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 639485280

約数和(自身を除く): 419929812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 53, 54, 66, 99, 106, 108, 121, 132, 159, 198, 212, 242, 297, 317, 318, 363, 396, 477, 484, 583, 594, 634, 636, 726, 951, 954, 1089, 1166, 1188, 1268, 1431, 1452, 1749, 1902, 1908, 2178, 2332, 2853, 2862, 3267, 3487, 3498, 3804, 4356, 5247, 5706, 5724, 6413, 6534, 6974, 6996, 8559, 10461, 10494, 11412, 12826, 13068, 13948, 15741, 16801, 17118, 19239, 20922, 20988, 25652, 31383, 31482, 33602, 34236, 38357, 38478, 41844, 50403, 57717, 62766, 62964, 67204, 76714, 76956, 94149, 100806, 115071, 115434, 125532, 151209, 153428, 173151, 184811, 188298, 201612, 230142, 230868, 302418, 345213, 346302, 369622, 376596, 453627, 460284, 554433, 604836, 690426, 692604, 739244, 907254, 1035639, 1108866, 1380852, 1663299, 1814508, 2032921, 2071278, 2217732, 3326598, 4065842, 4142556, 4989897, 6098763, 6653196, 8131684, 9979794, 12197526, 18296289, 19959588, 24395052, 36592578, 54888867, 73185156, 109777734, 219555468]

約数ペア:

[(1, 219555468), (2, 109777734), (3, 73185156), (4, 54888867), (6, 36592578), (9, 24395052), (11, 19959588), (12, 18296289), (18, 12197526), (22, 9979794), (27, 8131684), (33, 6653196), (36, 6098763), (44, 4989897), (53, 4142556), (54, 4065842), (66, 3326598), (99, 2217732), (106, 2071278), (108, 2032921), (121, 1814508), (132, 1663299), (159, 1380852), (198, 1108866), (212, 1035639), (242, 907254), (297, 739244), (317, 692604), (318, 690426), (363, 604836), (396, 554433), (477, 460284), (484, 453627), (583, 376596), (594, 369622), (634, 346302), (636, 345213), (726, 302418), (951, 230868), (954, 230142), (1089, 201612), (1166, 188298), (1188, 184811), (1268, 173151), (1431, 153428), (1452, 151209), (1749, 125532), (1902, 115434), (1908, 115071), (2178, 100806), (2332, 94149), (2853, 76956), (2862, 76714), (3267, 67204), (3487, 62964), (3498, 62766), (3804, 57717), (4356, 50403), (5247, 41844), (5706, 38478), (5724, 38357), (6413, 34236), (6534, 33602), (6974, 31482), (6996, 31383), (8559, 25652), (10461, 20988), (10494, 20922), (11412, 19239), (12826, 17118), (13068, 16801), (13948, 15741)]