256705722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{156719}}^1$

素因数の和:156747

約数の個数: 48

約数和(自身を含む): 684552960

約数和(自身を除く): 427847238

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 156719, 313438, 470157, 940314, 1097033, 1410471, 2037347, 2194066, 2820942, 3291099, 4074694, 6112041, 6582198, 9873297, 12224082, 14261429, 18336123, 19746594, 28522858, 36672246, 42784287, 85568574, 128352861, 256705722]

約数ペア:

[(1, 256705722), (2, 128352861), (3, 85568574), (6, 42784287), (7, 36672246), (9, 28522858), (13, 19746594), (14, 18336123), (18, 14261429), (21, 12224082), (26, 9873297), (39, 6582198), (42, 6112041), (63, 4074694), (78, 3291099), (91, 2820942), (117, 2194066), (126, 2037347), (182, 1410471), (234, 1097033), (273, 940314), (546, 470157), (819, 313438), (1638, 156719)]