72801664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 158765040

約数和(自身を除く): 85963376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 268, 416, 536, 653, 832, 871, 1072, 1306, 1664, 1742, 2144, 2612, 3484, 4288, 5224, 6968, 8489, 8576, 10448, 13936, 16978, 20896, 27872, 33956, 41792, 43751, 55744, 67912, 83584, 87502, 111488, 135824, 175004, 271648, 350008, 543296, 568763, 700016, 1086592, 1137526, 1400032, 2275052, 2800064, 4550104, 5600128, 9100208, 18200416, 36400832, 72801664]

約数ペア:

[(1, 72801664), (2, 36400832), (4, 18200416), (8, 9100208), (13, 5600128), (16, 4550104), (26, 2800064), (32, 2275052), (52, 1400032), (64, 1137526), (67, 1086592), (104, 700016), (128, 568763), (134, 543296), (208, 350008), (268, 271648), (416, 175004), (536, 135824), (653, 111488), (832, 87502), (871, 83584), (1072, 67912), (1306, 55744), (1664, 43751), (1742, 41792), (2144, 33956), (2612, 27872), (3484, 20896), (4288, 16978), (5224, 13936), (6968, 10448), (8489, 8576)]