381222842

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2524

約数の個数: 72

約数和(自身を含む): 787726548

約数和(自身を除く): 406503706

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 121, 143, 154, 182, 242, 286, 539, 637, 847, 1001, 1078, 1274, 1573, 1694, 2002, 2473, 3146, 4946, 5929, 7007, 11011, 11858, 14014, 17311, 22022, 27203, 32149, 34622, 54406, 64298, 77077, 121177, 154154, 190421, 225043, 242354, 299233, 353639, 380842, 450086, 598466, 707278, 1332947, 1575301, 2094631, 2475473, 2665894, 3150602, 3890029, 4189262, 4950946, 7780058, 14662417, 17328311, 27230203, 29324834, 34656622, 54460406, 190611421, 381222842]

約数ペア:

[(1, 381222842), (2, 190611421), (7, 54460406), (11, 34656622), (13, 29324834), (14, 27230203), (22, 17328311), (26, 14662417), (49, 7780058), (77, 4950946), (91, 4189262), (98, 3890029), (121, 3150602), (143, 2665894), (154, 2475473), (182, 2094631), (242, 1575301), (286, 1332947), (539, 707278), (637, 598466), (847, 450086), (1001, 380842), (1078, 353639), (1274, 299233), (1573, 242354), (1694, 225043), (2002, 190421), (2473, 154154), (3146, 121177), (4946, 77077), (5929, 64298), (7007, 54406), (11011, 34622), (11858, 32149), (14014, 27203), (17311, 22022)]