159704405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 243793920

約数和(自身を除く): 84089515

約数列:

[1, 5, 7, 19, 31, 35, 61, 95, 127, 133, 155, 217, 305, 427, 589, 635, 665, 889, 1085, 1159, 1891, 2135, 2413, 2945, 3937, 4123, 4445, 5795, 7747, 8113, 9455, 12065, 13237, 16891, 19685, 20615, 27559, 35929, 38735, 40565, 54229, 66185, 74803, 84455, 137795, 147193, 179645, 240157, 251503, 271145, 374015, 523621, 735965, 1030351, 1200785, 1257515, 1681099, 2618105, 4562983, 5151755, 8405495, 22814915, 31940881, 159704405]

約数ペア:

[(1, 159704405), (5, 31940881), (7, 22814915), (19, 8405495), (31, 5151755), (35, 4562983), (61, 2618105), (95, 1681099), (127, 1257515), (133, 1200785), (155, 1030351), (217, 735965), (305, 523621), (427, 374015), (589, 271145), (635, 251503), (665, 240157), (889, 179645), (1085, 147193), (1159, 137795), (1891, 84455), (2135, 74803), (2413, 66185), (2945, 54229), (3937, 40565), (4123, 38735), (4445, 35929), (5795, 27559), (7747, 20615), (8113, 19685), (9455, 16891), (12065, 13237)]