31931928

素因数分解:

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

素因数の和:467

約数の個数: 128

約数和(自身を含む): 103680000

約数和(自身を除く): 71748072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 84, 98, 108, 126, 147, 168, 189, 196, 216, 252, 294, 343, 378, 392, 431, 441, 504, 588, 686, 756, 862, 882, 1029, 1176, 1293, 1323, 1372, 1512, 1724, 1764, 2058, 2586, 2646, 2744, 3017, 3087, 3448, 3528, 3879, 4116, 5172, 5292, 6034, 6174, 7758, 8232, 9051, 9261, 10344, 10584, 11637, 12068, 12348, 15516, 18102, 18522, 21119, 23274, 24136, 24696, 27153, 31032, 36204, 37044, 42238, 46548, 54306, 63357, 72408, 74088, 81459, 84476, 93096, 108612, 126714, 147833, 162918, 168952, 190071, 217224, 253428, 295666, 325836, 380142, 443499, 506856, 570213, 591332, 651672, 760284, 886998, 1140426, 1182664, 1330497, 1520568, 1773996, 2280852, 2660994, 3547992, 3991491, 4561704, 5321988, 7982982, 10643976, 15965964, 31931928]

約数ペア:

[(1, 31931928), (2, 15965964), (3, 10643976), (4, 7982982), (6, 5321988), (7, 4561704), (8, 3991491), (9, 3547992), (12, 2660994), (14, 2280852), (18, 1773996), (21, 1520568), (24, 1330497), (27, 1182664), (28, 1140426), (36, 886998), (42, 760284), (49, 651672), (54, 591332), (56, 570213), (63, 506856), (72, 443499), (84, 380142), (98, 325836), (108, 295666), (126, 253428), (147, 217224), (168, 190071), (189, 168952), (196, 162918), (216, 147833), (252, 126714), (294, 108612), (343, 93096), (378, 84476), (392, 81459), (431, 74088), (441, 72408), (504, 63357), (588, 54306), (686, 46548), (756, 42238), (862, 37044), (882, 36204), (1029, 31032), (1176, 27153), (1293, 24696), (1323, 24136), (1372, 23274), (1512, 21119), (1724, 18522), (1764, 18102), (2058, 15516), (2586, 12348), (2646, 12068), (2744, 11637), (3017, 10584), (3087, 10344), (3448, 9261), (3528, 9051), (3879, 8232), (4116, 7758), (5172, 6174), (5292, 6034)]