31621856

素因数分解:

$2^5\times 7^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 75398400

約数和(自身を除く): 43776544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 67, 86, 98, 112, 134, 172, 196, 224, 268, 301, 343, 344, 392, 469, 536, 602, 686, 688, 784, 938, 1072, 1204, 1372, 1376, 1568, 1876, 2107, 2144, 2408, 2744, 2881, 3283, 3752, 4214, 4816, 5488, 5762, 6566, 7504, 8428, 9632, 10976, 11524, 13132, 14749, 15008, 16856, 20167, 22981, 23048, 26264, 29498, 33712, 40334, 45962, 46096, 52528, 58996, 67424, 80668, 91924, 92192, 105056, 117992, 141169, 161336, 183848, 235984, 282338, 322672, 367696, 471968, 564676, 645344, 735392, 988183, 1129352, 1976366, 2258704, 3952732, 4517408, 7905464, 15810928, 31621856]

約数ペア:

[(1, 31621856), (2, 15810928), (4, 7905464), (7, 4517408), (8, 3952732), (14, 2258704), (16, 1976366), (28, 1129352), (32, 988183), (43, 735392), (49, 645344), (56, 564676), (67, 471968), (86, 367696), (98, 322672), (112, 282338), (134, 235984), (172, 183848), (196, 161336), (224, 141169), (268, 117992), (301, 105056), (343, 92192), (344, 91924), (392, 80668), (469, 67424), (536, 58996), (602, 52528), (686, 46096), (688, 45962), (784, 40334), (938, 33712), (1072, 29498), (1204, 26264), (1372, 23048), (1376, 22981), (1568, 20167), (1876, 16856), (2107, 15008), (2144, 14749), (2408, 13132), (2744, 11524), (2881, 10976), (3283, 9632), (3752, 8428), (4214, 7504), (4816, 6566), (5488, 5762)]