81320624

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 198201600

約数和(自身を除く): 116880976

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 149, 154, 176, 298, 308, 443, 596, 616, 886, 1043, 1192, 1232, 1639, 1772, 2086, 2384, 3101, 3278, 3544, 4172, 4873, 6202, 6556, 7088, 8344, 9746, 11473, 12404, 13112, 16688, 19492, 22946, 24808, 26224, 34111, 38984, 45892, 49616, 66007, 68222, 77968, 91784, 132014, 136444, 183568, 264028, 272888, 462049, 528056, 545776, 726077, 924098, 1056112, 1452154, 1848196, 2904308, 3696392, 5082539, 5808616, 7392784, 10165078, 11617232, 20330156, 40660312, 81320624]

約数ペア:

[(1, 81320624), (2, 40660312), (4, 20330156), (7, 11617232), (8, 10165078), (11, 7392784), (14, 5808616), (16, 5082539), (22, 3696392), (28, 2904308), (44, 1848196), (56, 1452154), (77, 1056112), (88, 924098), (112, 726077), (149, 545776), (154, 528056), (176, 462049), (298, 272888), (308, 264028), (443, 183568), (596, 136444), (616, 132014), (886, 91784), (1043, 77968), (1192, 68222), (1232, 66007), (1639, 49616), (1772, 45892), (2086, 38984), (2384, 34111), (3101, 26224), (3278, 24808), (3544, 22946), (4172, 19492), (4873, 16688), (6202, 13112), (6556, 12404), (7088, 11473), (8344, 9746)]