8005665668

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{285631}}^1$

素因数の和:285673

約数の個数: 72

約数和(自身を含む): 19146484224

約数和(自身を除く): 11140818556

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 14014, 28028, 285631, 571262, 1142524, 1999417, 3141941, 3713203, 3998834, 6283882, 7426406, 7997668, 12567764, 13995919, 14852812, 21993587, 25992421, 27991838, 40845233, 43987174, 51984842, 55983676, 81690466, 87974348, 103969684, 153955109, 163380932, 181946947, 285916631, 307910218, 363893894, 571833262, 615820436, 727787788, 1143666524, 2001416417, 4002832834, 8005665668]

約数ペア:

[(1, 8005665668), (2, 4002832834), (4, 2001416417), (7, 1143666524), (11, 727787788), (13, 615820436), (14, 571833262), (22, 363893894), (26, 307910218), (28, 285916631), (44, 181946947), (49, 163380932), (52, 153955109), (77, 103969684), (91, 87974348), (98, 81690466), (143, 55983676), (154, 51984842), (182, 43987174), (196, 40845233), (286, 27991838), (308, 25992421), (364, 21993587), (539, 14852812), (572, 13995919), (637, 12567764), (1001, 7997668), (1078, 7426406), (1274, 6283882), (2002, 3998834), (2156, 3713203), (2548, 3141941), (4004, 1999417), (7007, 1142524), (14014, 571262), (28028, 285631)]