81313752

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3299}}^1$

素因数の和:3400

約数の個数: 64

約数和(自身を含む): 221760000

約数和(自身を除く): 140446248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 79, 104, 156, 158, 237, 312, 316, 474, 632, 948, 1027, 1896, 2054, 3081, 3299, 4108, 6162, 6598, 8216, 9897, 12324, 13196, 19794, 24648, 26392, 39588, 42887, 79176, 85774, 128661, 171548, 257322, 260621, 343096, 514644, 521242, 781863, 1029288, 1042484, 1563726, 2084968, 3127452, 3388073, 6254904, 6776146, 10164219, 13552292, 20328438, 27104584, 40656876, 81313752]

約数ペア:

[(1, 81313752), (2, 40656876), (3, 27104584), (4, 20328438), (6, 13552292), (8, 10164219), (12, 6776146), (13, 6254904), (24, 3388073), (26, 3127452), (39, 2084968), (52, 1563726), (78, 1042484), (79, 1029288), (104, 781863), (156, 521242), (158, 514644), (237, 343096), (312, 260621), (316, 257322), (474, 171548), (632, 128661), (948, 85774), (1027, 79176), (1896, 42887), (2054, 39588), (3081, 26392), (3299, 24648), (4108, 19794), (6162, 13196), (6598, 12324), (8216, 9897)]