216788416

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3889}}^1$

素因数の和:3981

約数の個数: 56

約数和(自身を含む): 470316560

約数和(自身を除く): 253528144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 416, 536, 832, 871, 1072, 1742, 2144, 3484, 3889, 4288, 6968, 7778, 13936, 15556, 27872, 31112, 50557, 55744, 62224, 101114, 124448, 202228, 248896, 260563, 404456, 521126, 808912, 1042252, 1617824, 2084504, 3235648, 3387319, 4169008, 6774638, 8338016, 13549276, 16676032, 27098552, 54197104, 108394208, 216788416]

約数ペア:

[(1, 216788416), (2, 108394208), (4, 54197104), (8, 27098552), (13, 16676032), (16, 13549276), (26, 8338016), (32, 6774638), (52, 4169008), (64, 3387319), (67, 3235648), (104, 2084504), (134, 1617824), (208, 1042252), (268, 808912), (416, 521126), (536, 404456), (832, 260563), (871, 248896), (1072, 202228), (1742, 124448), (2144, 101114), (3484, 62224), (3889, 55744), (4288, 50557), (6968, 31112), (7778, 27872), (13936, 15556)]