30897776

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21221}}^1$

素因数の和:21249

約数の個数: 40

約数和(自身を含む): 73682784

約数和(自身を除く): 42785008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21221, 42442, 84884, 148547, 169768, 275873, 297094, 339536, 551746, 594188, 1103492, 1188376, 1931111, 2206984, 2376752, 3862222, 4413968, 7724444, 15448888, 30897776]

約数ペア:

[(1, 30897776), (2, 15448888), (4, 7724444), (7, 4413968), (8, 3862222), (13, 2376752), (14, 2206984), (16, 1931111), (26, 1188376), (28, 1103492), (52, 594188), (56, 551746), (91, 339536), (104, 297094), (112, 275873), (182, 169768), (208, 148547), (364, 84884), (728, 42442), (1456, 21221)]