216817601

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 312033960

約数和(自身を除く): 95216359

約数列:

[1, 7, 11, 13, 29, 49, 77, 91, 97, 121, 143, 203, 319, 377, 539, 637, 679, 847, 1001, 1067, 1261, 1421, 1573, 2233, 2639, 2813, 3509, 4147, 4753, 5929, 7007, 7469, 8827, 11011, 11737, 13871, 15631, 18473, 19691, 24563, 29029, 30943, 36569, 45617, 52283, 61789, 77077, 82159, 97097, 137837, 152581, 171941, 203203, 216601, 255983, 319319, 340373, 402259, 575113, 679679, 1068067, 1516207, 1791881, 2235233, 2382611, 2815813, 4424849, 7476469, 16678277, 19710691, 30973943, 216817601]

約数ペア:

[(1, 216817601), (7, 30973943), (11, 19710691), (13, 16678277), (29, 7476469), (49, 4424849), (77, 2815813), (91, 2382611), (97, 2235233), (121, 1791881), (143, 1516207), (203, 1068067), (319, 679679), (377, 575113), (539, 402259), (637, 340373), (679, 319319), (847, 255983), (1001, 216601), (1067, 203203), (1261, 171941), (1421, 152581), (1573, 137837), (2233, 97097), (2639, 82159), (2813, 77077), (3509, 61789), (4147, 52283), (4753, 45617), (5929, 36569), (7007, 30943), (7469, 29029), (8827, 24563), (11011, 19691), (11737, 18473), (13871, 15631)]