31155984

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^2\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 90

約数和(自身を含む): 91372190

約数和(自身を除く): 60216206

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 409, 414, 529, 552, 818, 828, 1058, 1104, 1227, 1587, 1636, 1656, 2116, 2454, 3174, 3272, 3312, 3681, 4232, 4761, 4908, 6348, 6544, 7362, 8464, 9407, 9522, 9816, 12696, 14724, 18814, 19044, 19632, 25392, 28221, 29448, 37628, 38088, 56442, 58896, 75256, 76176, 84663, 112884, 150512, 169326, 216361, 225768, 338652, 432722, 451536, 649083, 677304, 865444, 1298166, 1354608, 1730888, 1947249, 2596332, 3461776, 3894498, 5192664, 7788996, 10385328, 15577992, 31155984]

約数ペア:

[(1, 31155984), (2, 15577992), (3, 10385328), (4, 7788996), (6, 5192664), (8, 3894498), (9, 3461776), (12, 2596332), (16, 1947249), (18, 1730888), (23, 1354608), (24, 1298166), (36, 865444), (46, 677304), (48, 649083), (69, 451536), (72, 432722), (92, 338652), (138, 225768), (144, 216361), (184, 169326), (207, 150512), (276, 112884), (368, 84663), (409, 76176), (414, 75256), (529, 58896), (552, 56442), (818, 38088), (828, 37628), (1058, 29448), (1104, 28221), (1227, 25392), (1587, 19632), (1636, 19044), (1656, 18814), (2116, 14724), (2454, 12696), (3174, 9816), (3272, 9522), (3312, 9407), (3681, 8464), (4232, 7362), (4761, 6544), (4908, 6348)]