128061558

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 309104640

約数和(自身を除く): 181043082

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 47, 57, 62, 93, 94, 114, 141, 171, 186, 257, 279, 282, 342, 423, 514, 558, 589, 771, 846, 893, 1178, 1457, 1542, 1767, 1786, 2313, 2679, 2914, 3534, 4371, 4626, 4883, 5301, 5358, 7967, 8037, 8742, 9766, 10602, 12079, 13113, 14649, 15934, 16074, 23901, 24158, 26226, 27683, 29298, 36237, 43947, 47802, 55366, 71703, 72474, 83049, 87894, 108711, 143406, 151373, 166098, 217422, 229501, 249147, 302746, 374449, 454119, 459002, 498294, 688503, 748898, 908238, 1123347, 1362357, 1377006, 2065509, 2246694, 2724714, 3370041, 4131018, 6740082, 7114531, 14229062, 21343593, 42687186, 64030779, 128061558]

約数ペア:

[(1, 128061558), (2, 64030779), (3, 42687186), (6, 21343593), (9, 14229062), (18, 7114531), (19, 6740082), (31, 4131018), (38, 3370041), (47, 2724714), (57, 2246694), (62, 2065509), (93, 1377006), (94, 1362357), (114, 1123347), (141, 908238), (171, 748898), (186, 688503), (257, 498294), (279, 459002), (282, 454119), (342, 374449), (423, 302746), (514, 249147), (558, 229501), (589, 217422), (771, 166098), (846, 151373), (893, 143406), (1178, 108711), (1457, 87894), (1542, 83049), (1767, 72474), (1786, 71703), (2313, 55366), (2679, 47802), (2914, 43947), (3534, 36237), (4371, 29298), (4626, 27683), (4883, 26226), (5301, 24158), (5358, 23901), (7967, 16074), (8037, 15934), (8742, 14649), (9766, 13113), (10602, 12079)]