257896254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1702

約数の個数: 96

約数和(自身を含む): 669247488

約数和(自身を除く): 411351234

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 121, 154, 186, 217, 231, 242, 341, 363, 434, 462, 651, 682, 726, 847, 1023, 1302, 1637, 1694, 2046, 2387, 2541, 3274, 3751, 4774, 4911, 5082, 7161, 7502, 9822, 11253, 11459, 14322, 18007, 22506, 22918, 26257, 34377, 36014, 50747, 52514, 54021, 68754, 78771, 101494, 108042, 126049, 152241, 157542, 198077, 252098, 304482, 355229, 378147, 396154, 558217, 594231, 710458, 756294, 1065687, 1116434, 1188462, 1386539, 1674651, 2131374, 2773078, 3349302, 3907519, 4159617, 6140387, 7815038, 8319234, 11722557, 12280774, 18421161, 23445114, 36842322, 42982709, 85965418, 128948127, 257896254]

約数ペア:

[(1, 257896254), (2, 128948127), (3, 85965418), (6, 42982709), (7, 36842322), (11, 23445114), (14, 18421161), (21, 12280774), (22, 11722557), (31, 8319234), (33, 7815038), (42, 6140387), (62, 4159617), (66, 3907519), (77, 3349302), (93, 2773078), (121, 2131374), (154, 1674651), (186, 1386539), (217, 1188462), (231, 1116434), (242, 1065687), (341, 756294), (363, 710458), (434, 594231), (462, 558217), (651, 396154), (682, 378147), (726, 355229), (847, 304482), (1023, 252098), (1302, 198077), (1637, 157542), (1694, 152241), (2046, 126049), (2387, 108042), (2541, 101494), (3274, 78771), (3751, 68754), (4774, 54021), (4911, 52514), (5082, 50747), (7161, 36014), (7502, 34377), (9822, 26257), (11253, 22918), (11459, 22506), (14322, 18007)]