281619078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 627927552

約数和(自身を除く): 346308474

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 107, 123, 214, 246, 321, 533, 642, 823, 1066, 1391, 1599, 1646, 2469, 2782, 3198, 4173, 4387, 4938, 8346, 8774, 10699, 13161, 21398, 26322, 32097, 33743, 57031, 64194, 67486, 88061, 101229, 114062, 171093, 176122, 202458, 264183, 342186, 438659, 528366, 877318, 1144793, 1315977, 2289586, 2631954, 3434379, 3610501, 6868758, 7221002, 10831503, 21663006, 46936513, 93873026, 140809539, 281619078]

約数ペア:

[(1, 281619078), (2, 140809539), (3, 93873026), (6, 46936513), (13, 21663006), (26, 10831503), (39, 7221002), (41, 6868758), (78, 3610501), (82, 3434379), (107, 2631954), (123, 2289586), (214, 1315977), (246, 1144793), (321, 877318), (533, 528366), (642, 438659), (823, 342186), (1066, 264183), (1391, 202458), (1599, 176122), (1646, 171093), (2469, 114062), (2782, 101229), (3198, 88061), (4173, 67486), (4387, 64194), (4938, 57031), (8346, 33743), (8774, 32097), (10699, 26322), (13161, 21398)]