209820416

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1037

約数の個数: 72

約数和(自身を含む): 458256624

約数和(自身を除く): 248436208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 256, 268, 416, 536, 832, 871, 941, 1072, 1664, 1742, 1882, 2144, 3328, 3484, 3764, 4288, 6968, 7528, 8576, 12233, 13936, 15056, 17152, 24466, 27872, 30112, 48932, 55744, 60224, 63047, 97864, 111488, 120448, 126094, 195728, 222976, 240896, 252188, 391456, 504376, 782912, 819611, 1008752, 1565824, 1639222, 2017504, 3131648, 3278444, 4035008, 6556888, 8070016, 13113776, 16140032, 26227552, 52455104, 104910208, 209820416]

約数ペア:

[(1, 209820416), (2, 104910208), (4, 52455104), (8, 26227552), (13, 16140032), (16, 13113776), (26, 8070016), (32, 6556888), (52, 4035008), (64, 3278444), (67, 3131648), (104, 2017504), (128, 1639222), (134, 1565824), (208, 1008752), (256, 819611), (268, 782912), (416, 504376), (536, 391456), (832, 252188), (871, 240896), (941, 222976), (1072, 195728), (1664, 126094), (1742, 120448), (1882, 111488), (2144, 97864), (3328, 63047), (3484, 60224), (3764, 55744), (4288, 48932), (6968, 30112), (7528, 27872), (8576, 24466), (12233, 17152), (13936, 15056)]