205654638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4951}}^1$

素因数の和:5029

約数の個数: 64

約数和(自身を含む): 502013952

約数和(自身を除く): 296359314

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 43, 46, 69, 86, 129, 138, 161, 258, 301, 322, 483, 602, 903, 966, 989, 1806, 1978, 2967, 4951, 5934, 6923, 9902, 13846, 14853, 20769, 29706, 34657, 41538, 69314, 103971, 113873, 207942, 212893, 227746, 341619, 425786, 638679, 683238, 797111, 1277358, 1490251, 1594222, 2391333, 2980502, 4470753, 4782666, 4896539, 8941506, 9793078, 14689617, 29379234, 34275773, 68551546, 102827319, 205654638]

約数ペア:

[(1, 205654638), (2, 102827319), (3, 68551546), (6, 34275773), (7, 29379234), (14, 14689617), (21, 9793078), (23, 8941506), (42, 4896539), (43, 4782666), (46, 4470753), (69, 2980502), (86, 2391333), (129, 1594222), (138, 1490251), (161, 1277358), (258, 797111), (301, 683238), (322, 638679), (483, 425786), (602, 341619), (903, 227746), (966, 212893), (989, 207942), (1806, 113873), (1978, 103971), (2967, 69314), (4951, 41538), (5934, 34657), (6923, 29706), (9902, 20769), (13846, 14853)]