393055128

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{287321}}^1$

素因数の和:287352

約数の個数: 48

約数和(自身を含む): 1120555800

約数和(自身を除く): 727500672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 287321, 574642, 861963, 1149284, 1723926, 2298568, 2585889, 3447852, 5171778, 5459099, 6895704, 10343556, 10918198, 16377297, 20687112, 21836396, 32754594, 43672792, 49131891, 65509188, 98263782, 131018376, 196527564, 393055128]

約数ペア:

[(1, 393055128), (2, 196527564), (3, 131018376), (4, 98263782), (6, 65509188), (8, 49131891), (9, 43672792), (12, 32754594), (18, 21836396), (19, 20687112), (24, 16377297), (36, 10918198), (38, 10343556), (57, 6895704), (72, 5459099), (76, 5171778), (114, 3447852), (152, 2585889), (171, 2298568), (228, 1723926), (342, 1149284), (456, 861963), (684, 574642), (1368, 287321)]