38891648

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 83666520

約数和(自身を除く): 44774872

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 122, 128, 136, 244, 272, 293, 488, 544, 586, 976, 1037, 1088, 1172, 1952, 2074, 2176, 2344, 3904, 4148, 4688, 4981, 7808, 8296, 9376, 9962, 16592, 17873, 18752, 19924, 33184, 35746, 37504, 39848, 66368, 71492, 79696, 132736, 142984, 159392, 285968, 303841, 318784, 571936, 607682, 637568, 1143872, 1215364, 2287744, 2430728, 4861456, 9722912, 19445824, 38891648]

約数ペア:

[(1, 38891648), (2, 19445824), (4, 9722912), (8, 4861456), (16, 2430728), (17, 2287744), (32, 1215364), (34, 1143872), (61, 637568), (64, 607682), (68, 571936), (122, 318784), (128, 303841), (136, 285968), (244, 159392), (272, 142984), (293, 132736), (488, 79696), (544, 71492), (586, 66368), (976, 39848), (1037, 37504), (1088, 35746), (1172, 33184), (1952, 19924), (2074, 18752), (2176, 17873), (2344, 16592), (3904, 9962), (4148, 9376), (4688, 8296), (4981, 7808)]