391527928

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{631}}^1\times {\mathrm{641}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 809459280

約数和(自身を除く): 417931352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 631, 641, 968, 1262, 1282, 2524, 2564, 5048, 5128, 6941, 7051, 13882, 14102, 27764, 28204, 55528, 56408, 76351, 77561, 152702, 155122, 305404, 310244, 404471, 610808, 620488, 808942, 1617884, 3235768, 4449181, 8898362, 17796724, 35593448, 48940991, 97881982, 195763964, 391527928]

約数ペア:

[(1, 391527928), (2, 195763964), (4, 97881982), (8, 48940991), (11, 35593448), (22, 17796724), (44, 8898362), (88, 4449181), (121, 3235768), (242, 1617884), (484, 808942), (631, 620488), (641, 610808), (968, 404471), (1262, 310244), (1282, 305404), (2524, 155122), (2564, 152702), (5048, 77561), (5128, 76351), (6941, 56408), (7051, 55528), (13882, 28204), (14102, 27764)]