278399551383

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{52289}}^1$

素因数の和:52441

約数の個数: 72

約数和(自身を含む): 450769082400

約数和(自身を除く): 172369531017

約数列:

[1, 3, 9, 17, 23, 51, 69, 89, 153, 207, 267, 289, 391, 801, 867, 1173, 1513, 2047, 2601, 3519, 4539, 6141, 6647, 13617, 18423, 19941, 25721, 34799, 52289, 59823, 77163, 104397, 156867, 231489, 313191, 470601, 591583, 888913, 1202647, 1774749, 2666739, 3607941, 4653721, 5324247, 8000217, 10823823, 13961163, 15111521, 20444999, 41883489, 45334563, 61334997, 79113257, 107035583, 136003689, 184004991, 237339771, 321106749, 347564983, 712019313, 963320247, 1042694949, 1344925369, 1819604911, 3128084847, 4034776107, 5458814733, 12104328321, 16376444199, 30933283487, 92799850461, 278399551383]

約数ペア:

[(1, 278399551383), (3, 92799850461), (9, 30933283487), (17, 16376444199), (23, 12104328321), (51, 5458814733), (69, 4034776107), (89, 3128084847), (153, 1819604911), (207, 1344925369), (267, 1042694949), (289, 963320247), (391, 712019313), (801, 347564983), (867, 321106749), (1173, 237339771), (1513, 184004991), (2047, 136003689), (2601, 107035583), (3519, 79113257), (4539, 61334997), (6141, 45334563), (6647, 41883489), (13617, 20444999), (18423, 15111521), (19941, 13961163), (25721, 10823823), (34799, 8000217), (52289, 5324247), (59823, 4653721), (77163, 3607941), (104397, 2666739), (156867, 1774749), (231489, 1202647), (313191, 888913), (470601, 591583)]