28970032

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 70120512

約数和(自身を除く): 41150480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 101, 104, 112, 182, 197, 202, 208, 364, 394, 404, 707, 728, 788, 808, 1313, 1379, 1414, 1456, 1576, 1616, 2561, 2626, 2758, 2828, 3152, 5122, 5252, 5516, 5656, 9191, 10244, 10504, 11032, 11312, 17927, 18382, 19897, 20488, 21008, 22064, 35854, 36764, 39794, 40976, 71708, 73528, 79588, 139279, 143416, 147056, 159176, 258661, 278558, 286832, 318352, 517322, 557116, 1034644, 1114232, 1810627, 2069288, 2228464, 3621254, 4138576, 7242508, 14485016, 28970032]

約数ペア:

[(1, 28970032), (2, 14485016), (4, 7242508), (7, 4138576), (8, 3621254), (13, 2228464), (14, 2069288), (16, 1810627), (26, 1114232), (28, 1034644), (52, 557116), (56, 517322), (91, 318352), (101, 286832), (104, 278558), (112, 258661), (182, 159176), (197, 147056), (202, 143416), (208, 139279), (364, 79588), (394, 73528), (404, 71708), (707, 40976), (728, 39794), (788, 36764), (808, 35854), (1313, 22064), (1379, 21008), (1414, 20488), (1456, 19897), (1576, 18382), (1616, 17927), (2561, 11312), (2626, 11032), (2758, 10504), (2828, 10244), (3152, 9191), (5122, 5656), (5252, 5516)]