31163886

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 75479040

約数和(自身を除く): 44315154

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 103, 117, 206, 234, 309, 351, 431, 618, 702, 862, 927, 1293, 1339, 1854, 2586, 2678, 2781, 3879, 4017, 5562, 5603, 7758, 8034, 11206, 11637, 12051, 16809, 23274, 24102, 33618, 36153, 44393, 50427, 72306, 88786, 100854, 133179, 151281, 266358, 302562, 399537, 577109, 799074, 1154218, 1198611, 1731327, 2397222, 3462654, 5193981, 10387962, 15581943, 31163886]

約数ペア:

[(1, 31163886), (2, 15581943), (3, 10387962), (6, 5193981), (9, 3462654), (13, 2397222), (18, 1731327), (26, 1198611), (27, 1154218), (39, 799074), (54, 577109), (78, 399537), (103, 302562), (117, 266358), (206, 151281), (234, 133179), (309, 100854), (351, 88786), (431, 72306), (618, 50427), (702, 44393), (862, 36153), (927, 33618), (1293, 24102), (1339, 23274), (1854, 16809), (2586, 12051), (2678, 11637), (2781, 11206), (3879, 8034), (4017, 7758), (5562, 5603)]