13478528

素因数分解:

$2^7\times 7^3\times {\mathrm{307}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 31416000

約数和(自身を除く): 17937472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 307, 343, 392, 448, 614, 686, 784, 896, 1228, 1372, 1568, 2149, 2456, 2744, 3136, 4298, 4912, 5488, 6272, 8596, 9824, 10976, 15043, 17192, 19648, 21952, 30086, 34384, 39296, 43904, 60172, 68768, 105301, 120344, 137536, 210602, 240688, 275072, 421204, 481376, 842408, 962752, 1684816, 1925504, 3369632, 6739264, 13478528]

約数ペア:

[(1, 13478528), (2, 6739264), (4, 3369632), (7, 1925504), (8, 1684816), (14, 962752), (16, 842408), (28, 481376), (32, 421204), (49, 275072), (56, 240688), (64, 210602), (98, 137536), (112, 120344), (128, 105301), (196, 68768), (224, 60172), (307, 43904), (343, 39296), (392, 34384), (448, 30086), (614, 21952), (686, 19648), (784, 17192), (896, 15043), (1228, 10976), (1372, 9824), (1568, 8596), (2149, 6272), (2456, 5488), (2744, 4912), (3136, 4298)]