1959958

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 4021920

約数和(自身を除く): 2061962

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 89, 91, 121, 143, 154, 178, 182, 242, 286, 623, 847, 979, 1001, 1157, 1246, 1573, 1694, 1958, 2002, 2314, 3146, 6853, 8099, 10769, 11011, 12727, 13706, 16198, 21538, 22022, 25454, 75383, 89089, 139997, 150766, 178178, 279994, 979979, 1959958]

約数ペア:

[(1, 1959958), (2, 979979), (7, 279994), (11, 178178), (13, 150766), (14, 139997), (22, 89089), (26, 75383), (77, 25454), (89, 22022), (91, 21538), (121, 16198), (143, 13706), (154, 12727), (178, 11011), (182, 10769), (242, 8099), (286, 6853), (623, 3146), (847, 2314), (979, 2002), (1001, 1958), (1157, 1694), (1246, 1573)]