68480643

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 120029184

約数和(自身を除く): 51548541

約数列:

[1, 3, 7, 11, 21, 31, 33, 73, 77, 93, 131, 217, 219, 231, 341, 393, 511, 651, 803, 917, 1023, 1441, 1533, 2263, 2387, 2409, 2751, 4061, 4323, 5621, 6789, 7161, 9563, 10087, 12183, 15841, 16863, 24893, 28427, 28689, 30261, 44671, 47523, 66941, 74679, 85281, 105193, 134013, 174251, 200823, 296453, 312697, 315579, 522753, 736351, 889359, 938091, 2075171, 2209053, 3260983, 6225513, 9782949, 22826881, 68480643]

約数ペア:

[(1, 68480643), (3, 22826881), (7, 9782949), (11, 6225513), (21, 3260983), (31, 2209053), (33, 2075171), (73, 938091), (77, 889359), (93, 736351), (131, 522753), (217, 315579), (219, 312697), (231, 296453), (341, 200823), (393, 174251), (511, 134013), (651, 105193), (803, 85281), (917, 74679), (1023, 66941), (1441, 47523), (1533, 44671), (2263, 30261), (2387, 28689), (2409, 28427), (2751, 24893), (4061, 16863), (4323, 15841), (5621, 12183), (6789, 10087), (7161, 9563)]