389918368

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{24517}}^1$

素因数の和:24605

約数の個数: 48

約数和(自身を含む): 889709184

約数和(自身を除く): 499790816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 3976, 7952, 15904, 24517, 49034, 98068, 171619, 196136, 343238, 392272, 686476, 784544, 1372952, 1740707, 2745904, 3481414, 5491808, 6962828, 12184949, 13925656, 24369898, 27851312, 48739796, 55702624, 97479592, 194959184, 389918368]

約数ペア:

[(1, 389918368), (2, 194959184), (4, 97479592), (7, 55702624), (8, 48739796), (14, 27851312), (16, 24369898), (28, 13925656), (32, 12184949), (56, 6962828), (71, 5491808), (112, 3481414), (142, 2745904), (224, 1740707), (284, 1372952), (497, 784544), (568, 686476), (994, 392272), (1136, 343238), (1988, 196136), (2272, 171619), (3976, 98068), (7952, 49034), (15904, 24517)]