178840064

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 390188568

約数和(自身を除く): 211348504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 128, 194, 208, 256, 277, 388, 416, 512, 554, 776, 832, 1108, 1261, 1552, 1664, 2216, 2522, 3104, 3328, 3601, 4432, 5044, 6208, 6656, 7202, 8864, 10088, 12416, 14404, 17728, 20176, 24832, 26869, 28808, 35456, 40352, 49664, 53738, 57616, 70912, 80704, 107476, 115232, 141824, 161408, 214952, 230464, 322816, 349297, 429904, 460928, 645632, 698594, 859808, 921856, 1397188, 1719616, 1843712, 2794376, 3439232, 5588752, 6878464, 11177504, 13756928, 22355008, 44710016, 89420032, 178840064]

約数ペア:

[(1, 178840064), (2, 89420032), (4, 44710016), (8, 22355008), (13, 13756928), (16, 11177504), (26, 6878464), (32, 5588752), (52, 3439232), (64, 2794376), (97, 1843712), (104, 1719616), (128, 1397188), (194, 921856), (208, 859808), (256, 698594), (277, 645632), (388, 460928), (416, 429904), (512, 349297), (554, 322816), (776, 230464), (832, 214952), (1108, 161408), (1261, 141824), (1552, 115232), (1664, 107476), (2216, 80704), (2522, 70912), (3104, 57616), (3328, 53738), (3601, 49664), (4432, 40352), (5044, 35456), (6208, 28808), (6656, 26869), (7202, 24832), (8864, 20176), (10088, 17728), (12416, 14404)]