642901028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{14009}}^1$

素因数の和:14180

約数の個数: 48

約数和(自身を含む): 1412208000

約数和(自身を除く): 769306972

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 149, 154, 298, 308, 596, 1043, 1639, 2086, 3278, 4172, 6556, 11473, 14009, 22946, 28018, 45892, 56036, 98063, 154099, 196126, 308198, 392252, 616396, 1078693, 2087341, 2157386, 4174682, 4314772, 8349364, 14611387, 22960751, 29222774, 45921502, 58445548, 91843004, 160725257, 321450514, 642901028]

約数ペア:

[(1, 642901028), (2, 321450514), (4, 160725257), (7, 91843004), (11, 58445548), (14, 45921502), (22, 29222774), (28, 22960751), (44, 14611387), (77, 8349364), (149, 4314772), (154, 4174682), (298, 2157386), (308, 2087341), (596, 1078693), (1043, 616396), (1639, 392252), (2086, 308198), (3278, 196126), (4172, 154099), (6556, 98063), (11473, 56036), (14009, 45892), (22946, 28018)]