641844016

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{17449}}^1$

素因数の和:17498

約数の個数: 60

約数和(自身を含む): 1438927000

約数和(自身を除く): 797082984

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 418, 484, 836, 968, 1672, 1936, 2299, 3344, 4598, 9196, 17449, 18392, 34898, 36784, 69796, 139592, 191939, 279184, 331531, 383878, 663062, 767756, 1326124, 1535512, 2111329, 2652248, 3071024, 3646841, 4222658, 5304496, 7293682, 8445316, 14587364, 16890632, 29174728, 33781264, 40115251, 58349456, 80230502, 160461004, 320922008, 641844016]

約数ペア:

[(1, 641844016), (2, 320922008), (4, 160461004), (8, 80230502), (11, 58349456), (16, 40115251), (19, 33781264), (22, 29174728), (38, 16890632), (44, 14587364), (76, 8445316), (88, 7293682), (121, 5304496), (152, 4222658), (176, 3646841), (209, 3071024), (242, 2652248), (304, 2111329), (418, 1535512), (484, 1326124), (836, 767756), (968, 663062), (1672, 383878), (1936, 331531), (2299, 279184), (3344, 191939), (4598, 139592), (9196, 69796), (17449, 36784), (18392, 34898)]