161745906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 378362880

約数和(自身を除く): 216616974

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 229, 251, 402, 458, 469, 502, 687, 753, 938, 1374, 1407, 1506, 1603, 1757, 2814, 3206, 3514, 4809, 5271, 9618, 10542, 15343, 16817, 30686, 33634, 46029, 50451, 57479, 92058, 100902, 107401, 114958, 117719, 172437, 214802, 235438, 322203, 344874, 353157, 402353, 644406, 706314, 804706, 1207059, 2414118, 3851093, 7702186, 11553279, 23106558, 26957651, 53915302, 80872953, 161745906]

約数ペア:

[(1, 161745906), (2, 80872953), (3, 53915302), (6, 26957651), (7, 23106558), (14, 11553279), (21, 7702186), (42, 3851093), (67, 2414118), (134, 1207059), (201, 804706), (229, 706314), (251, 644406), (402, 402353), (458, 353157), (469, 344874), (502, 322203), (687, 235438), (753, 214802), (938, 172437), (1374, 117719), (1407, 114958), (1506, 107401), (1603, 100902), (1757, 92058), (2814, 57479), (3206, 50451), (3514, 46029), (4809, 33634), (5271, 30686), (9618, 16817), (10542, 15343)]