17977967084

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{822113}}^1$

素因数の和:822206

約数の個数: 48

約数和(自身を含む): 39777163776

約数和(自身を除く): 21799196692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 21868, 822113, 1644226, 3288452, 5754791, 9043243, 11509582, 18086486, 23019164, 36172972, 58370023, 63302701, 116740046, 126605402, 233480092, 253210804, 408590161, 642070253, 817180322, 1284140506, 1634360644, 2568281012, 4494491771, 8988983542, 17977967084]

約数ペア:

[(1, 17977967084), (2, 8988983542), (4, 4494491771), (7, 2568281012), (11, 1634360644), (14, 1284140506), (22, 817180322), (28, 642070253), (44, 408590161), (71, 253210804), (77, 233480092), (142, 126605402), (154, 116740046), (284, 63302701), (308, 58370023), (497, 36172972), (781, 23019164), (994, 18086486), (1562, 11509582), (1988, 9043243), (3124, 5754791), (5467, 3288452), (10934, 1644226), (21868, 822113)]