31396508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 65197440

約数和(自身を除く): 33800932

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 131, 143, 262, 286, 419, 524, 572, 838, 1441, 1676, 1703, 2882, 3406, 4609, 5447, 5764, 6812, 9218, 10894, 18436, 18733, 21788, 37466, 54889, 59917, 74932, 109778, 119834, 219556, 239668, 603779, 713557, 1207558, 1427114, 2415116, 2854228, 7849127, 15698254, 31396508]

約数ペア:

[(1, 31396508), (2, 15698254), (4, 7849127), (11, 2854228), (13, 2415116), (22, 1427114), (26, 1207558), (44, 713557), (52, 603779), (131, 239668), (143, 219556), (262, 119834), (286, 109778), (419, 74932), (524, 59917), (572, 54889), (838, 37466), (1441, 21788), (1676, 18733), (1703, 18436), (2882, 10894), (3406, 9218), (4609, 6812), (5447, 5764)]