81845244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{977}}^1$

素因数の和:1179

約数の個数: 72

約数和(自身を含む): 224274960

約数和(自身を除く): 142429716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 179, 234, 358, 468, 537, 716, 977, 1074, 1611, 1954, 2148, 2327, 2931, 3222, 3908, 4654, 5862, 6444, 6981, 8793, 9308, 11724, 12701, 13962, 17586, 20943, 25402, 27924, 35172, 38103, 41886, 50804, 76206, 83772, 114309, 152412, 174883, 228618, 349766, 457236, 524649, 699532, 1049298, 1573947, 2098596, 2273479, 3147894, 4546958, 6295788, 6820437, 9093916, 13640874, 20461311, 27281748, 40922622, 81845244]

約数ペア:

[(1, 81845244), (2, 40922622), (3, 27281748), (4, 20461311), (6, 13640874), (9, 9093916), (12, 6820437), (13, 6295788), (18, 4546958), (26, 3147894), (36, 2273479), (39, 2098596), (52, 1573947), (78, 1049298), (117, 699532), (156, 524649), (179, 457236), (234, 349766), (358, 228618), (468, 174883), (537, 152412), (716, 114309), (977, 83772), (1074, 76206), (1611, 50804), (1954, 41886), (2148, 38103), (2327, 35172), (2931, 27924), (3222, 25402), (3908, 20943), (4654, 17586), (5862, 13962), (6444, 12701), (6981, 11724), (8793, 9308)]