28716296

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 65577600

約数和(自身を除く): 36861304

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 137, 152, 197, 266, 274, 394, 532, 548, 788, 959, 1064, 1096, 1379, 1576, 1918, 2603, 2758, 3743, 3836, 5206, 5516, 7486, 7672, 10412, 11032, 14972, 18221, 20824, 26201, 26989, 29944, 36442, 52402, 53978, 72884, 104804, 107956, 145768, 188923, 209608, 215912, 377846, 512791, 755692, 1025582, 1511384, 2051164, 3589537, 4102328, 7179074, 14358148, 28716296]

約数ペア:

[(1, 28716296), (2, 14358148), (4, 7179074), (7, 4102328), (8, 3589537), (14, 2051164), (19, 1511384), (28, 1025582), (38, 755692), (56, 512791), (76, 377846), (133, 215912), (137, 209608), (152, 188923), (197, 145768), (266, 107956), (274, 104804), (394, 72884), (532, 53978), (548, 52402), (788, 36442), (959, 29944), (1064, 26989), (1096, 26201), (1379, 20824), (1576, 18221), (1918, 14972), (2603, 11032), (2758, 10412), (3743, 7672), (3836, 7486), (5206, 5516)]