38991708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 113218560

約数和(自身を除く): 74226852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 359, 431, 718, 862, 1077, 1293, 1436, 1724, 2154, 2513, 2586, 3017, 3231, 3879, 4308, 5026, 5172, 6034, 6462, 7539, 7758, 9051, 10052, 12068, 12924, 15078, 15516, 18102, 22617, 27153, 30156, 36204, 45234, 54306, 90468, 108612, 154729, 309458, 464187, 618916, 928374, 1083103, 1392561, 1856748, 2166206, 2785122, 3249309, 4332412, 5570244, 6498618, 9747927, 12997236, 19495854, 38991708]

約数ペア:

[(1, 38991708), (2, 19495854), (3, 12997236), (4, 9747927), (6, 6498618), (7, 5570244), (9, 4332412), (12, 3249309), (14, 2785122), (18, 2166206), (21, 1856748), (28, 1392561), (36, 1083103), (42, 928374), (63, 618916), (84, 464187), (126, 309458), (252, 154729), (359, 108612), (431, 90468), (718, 54306), (862, 45234), (1077, 36204), (1293, 30156), (1436, 27153), (1724, 22617), (2154, 18102), (2513, 15516), (2586, 15078), (3017, 12924), (3231, 12068), (3879, 10052), (4308, 9051), (5026, 7758), (5172, 7539), (6034, 6462)]