399156674

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1335

約数の個数: 64

約数和(自身を含む): 766402560

約数和(自身を除く): 367245886

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 53, 106, 133, 161, 266, 322, 371, 437, 742, 874, 1007, 1219, 1231, 2014, 2438, 2462, 3059, 6118, 7049, 8533, 8617, 14098, 17066, 17234, 23161, 23389, 28313, 46322, 46778, 56626, 65243, 130486, 162127, 163723, 198191, 324254, 327446, 396382, 456701, 537947, 913402, 1075894, 1239617, 1500589, 2479234, 3001178, 3765629, 7531258, 8677319, 10504123, 17354638, 21008246, 28511191, 57022382, 199578337, 399156674]

約数ペア:

[(1, 399156674), (2, 199578337), (7, 57022382), (14, 28511191), (19, 21008246), (23, 17354638), (38, 10504123), (46, 8677319), (53, 7531258), (106, 3765629), (133, 3001178), (161, 2479234), (266, 1500589), (322, 1239617), (371, 1075894), (437, 913402), (742, 537947), (874, 456701), (1007, 396382), (1219, 327446), (1231, 324254), (2014, 198191), (2438, 163723), (2462, 162127), (3059, 130486), (6118, 65243), (7049, 56626), (8533, 46778), (8617, 46322), (14098, 28313), (17066, 23389), (17234, 23161)]