138709376

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2747

約数の個数: 64

約数和(自身を含む): 307305600

約数和(自身を除く): 168596224

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 2689, 3224, 3968, 5378, 6448, 10756, 12896, 21512, 25792, 34957, 43024, 51584, 69914, 83359, 86048, 139828, 166718, 172096, 279656, 333436, 344192, 559312, 666872, 1083667, 1118624, 1333744, 2167334, 2237248, 2667488, 4334668, 4474496, 5334976, 8669336, 10669952, 17338672, 34677344, 69354688, 138709376]

約数ペア:

[(1, 138709376), (2, 69354688), (4, 34677344), (8, 17338672), (13, 10669952), (16, 8669336), (26, 5334976), (31, 4474496), (32, 4334668), (52, 2667488), (62, 2237248), (64, 2167334), (104, 1333744), (124, 1118624), (128, 1083667), (208, 666872), (248, 559312), (403, 344192), (416, 333436), (496, 279656), (806, 172096), (832, 166718), (992, 139828), (1612, 86048), (1664, 83359), (1984, 69914), (2689, 51584), (3224, 43024), (3968, 34957), (5378, 25792), (6448, 21512), (10756, 12896)]