840344128

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{1637}}^1$

素因数の和:2279

約数の個数: 56

約数和(自身を含む): 1799840952

約数和(自身を除く): 959496824

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 617, 832, 1234, 1637, 2468, 3274, 4936, 6548, 8021, 9872, 13096, 16042, 19744, 21281, 26192, 32084, 39488, 42562, 52384, 64168, 85124, 104768, 128336, 170248, 256672, 340496, 513344, 680992, 1010029, 1361984, 2020058, 4040116, 8080232, 13130377, 16160464, 26260754, 32320928, 52521508, 64641856, 105043016, 210086032, 420172064, 840344128]

約数ペア:

[(1, 840344128), (2, 420172064), (4, 210086032), (8, 105043016), (13, 64641856), (16, 52521508), (26, 32320928), (32, 26260754), (52, 16160464), (64, 13130377), (104, 8080232), (208, 4040116), (416, 2020058), (617, 1361984), (832, 1010029), (1234, 680992), (1637, 513344), (2468, 340496), (3274, 256672), (4936, 170248), (6548, 128336), (8021, 104768), (9872, 85124), (13096, 64168), (16042, 52384), (19744, 42562), (21281, 39488), (26192, 32084)]