81348904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 189383040

約数和(自身を除く): 108034136

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 131, 182, 262, 364, 524, 728, 853, 917, 1048, 1703, 1706, 1834, 3406, 3412, 3668, 5971, 6812, 6824, 7336, 11089, 11921, 11942, 13624, 22178, 23842, 23884, 44356, 47684, 47768, 77623, 88712, 95368, 111743, 155246, 223486, 310492, 446972, 620984, 782201, 893944, 1452659, 1564402, 2905318, 3128804, 5810636, 6257608, 10168613, 11621272, 20337226, 40674452, 81348904]

約数ペア:

[(1, 81348904), (2, 40674452), (4, 20337226), (7, 11621272), (8, 10168613), (13, 6257608), (14, 5810636), (26, 3128804), (28, 2905318), (52, 1564402), (56, 1452659), (91, 893944), (104, 782201), (131, 620984), (182, 446972), (262, 310492), (364, 223486), (524, 155246), (728, 111743), (853, 95368), (917, 88712), (1048, 77623), (1703, 47768), (1706, 47684), (1834, 44356), (3406, 23884), (3412, 23842), (3668, 22178), (5971, 13624), (6812, 11942), (6824, 11921), (7336, 11089)]