28508116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 65467136

約数和(自身を除く): 36959020

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 271, 289, 364, 442, 476, 542, 578, 884, 1084, 1156, 1547, 1897, 2023, 3094, 3523, 3757, 3794, 4046, 4607, 6188, 7046, 7514, 7588, 8092, 9214, 14092, 15028, 18428, 24661, 26299, 32249, 49322, 52598, 59891, 64498, 78319, 98644, 105196, 119782, 128996, 156638, 239564, 313276, 419237, 548233, 838474, 1018147, 1096466, 1676948, 2036294, 2192932, 4072588, 7127029, 14254058, 28508116]

約数ペア:

[(1, 28508116), (2, 14254058), (4, 7127029), (7, 4072588), (13, 2192932), (14, 2036294), (17, 1676948), (26, 1096466), (28, 1018147), (34, 838474), (52, 548233), (68, 419237), (91, 313276), (119, 239564), (182, 156638), (221, 128996), (238, 119782), (271, 105196), (289, 98644), (364, 78319), (442, 64498), (476, 59891), (542, 52598), (578, 49322), (884, 32249), (1084, 26299), (1156, 24661), (1547, 18428), (1897, 15028), (2023, 14092), (3094, 9214), (3523, 8092), (3757, 7588), (3794, 7514), (4046, 7046), (4607, 6188)]