131808985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 213626880

約数和(自身を除く): 81817895

約数列:

[1, 5, 7, 11, 19, 35, 37, 55, 77, 95, 133, 185, 209, 259, 385, 407, 487, 665, 703, 1045, 1295, 1463, 2035, 2435, 2849, 3409, 3515, 4921, 5357, 7315, 7733, 9253, 14245, 17045, 18019, 24605, 26785, 37499, 38665, 46265, 54131, 64771, 90095, 101783, 126133, 187495, 198209, 270655, 323855, 342361, 508915, 630665, 712481, 991045, 1387463, 1711805, 2396527, 3562405, 3765971, 6937315, 11982635, 18829855, 26361797, 131808985]

約数ペア:

[(1, 131808985), (5, 26361797), (7, 18829855), (11, 11982635), (19, 6937315), (35, 3765971), (37, 3562405), (55, 2396527), (77, 1711805), (95, 1387463), (133, 991045), (185, 712481), (209, 630665), (259, 508915), (385, 342361), (407, 323855), (487, 270655), (665, 198209), (703, 187495), (1045, 126133), (1295, 101783), (1463, 90095), (2035, 64771), (2435, 54131), (2849, 46265), (3409, 38665), (3515, 37499), (4921, 26785), (5357, 24605), (7315, 18019), (7733, 17045), (9253, 14245)]