651001078

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 1230501888

約数和(自身を除く): 579500810

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 182, 197, 271, 394, 469, 542, 871, 938, 1379, 1742, 1897, 2561, 2758, 3523, 3794, 5122, 6097, 7046, 12194, 13199, 17927, 18157, 24661, 26398, 35854, 36314, 49322, 53387, 92393, 106774, 127099, 171587, 184786, 236041, 254198, 343174, 373709, 472082, 694031, 747418, 1201109, 1388062, 1652287, 2402218, 3304574, 3576929, 4858217, 7153858, 9716434, 25038503, 46500077, 50077006, 93000154, 325500539, 651001078]

約数ペア:

[(1, 651001078), (2, 325500539), (7, 93000154), (13, 50077006), (14, 46500077), (26, 25038503), (67, 9716434), (91, 7153858), (134, 4858217), (182, 3576929), (197, 3304574), (271, 2402218), (394, 1652287), (469, 1388062), (542, 1201109), (871, 747418), (938, 694031), (1379, 472082), (1742, 373709), (1897, 343174), (2561, 254198), (2758, 236041), (3523, 184786), (3794, 171587), (5122, 127099), (6097, 106774), (7046, 92393), (12194, 53387), (13199, 49322), (17927, 36314), (18157, 35854), (24661, 26398)]