28007712

素因数分解:

$2^5\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1326

約数の個数: 72

約数和(自身を含む): 80720640

約数和(自身を除く): 52712928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 79, 96, 144, 158, 237, 288, 316, 474, 632, 711, 948, 1231, 1264, 1422, 1896, 2462, 2528, 2844, 3693, 3792, 4924, 5688, 7386, 7584, 9848, 11079, 11376, 14772, 19696, 22158, 22752, 29544, 39392, 44316, 59088, 88632, 97249, 118176, 177264, 194498, 291747, 354528, 388996, 583494, 777992, 875241, 1166988, 1555984, 1750482, 2333976, 3111968, 3500964, 4667952, 7001928, 9335904, 14003856, 28007712]

約数ペア:

[(1, 28007712), (2, 14003856), (3, 9335904), (4, 7001928), (6, 4667952), (8, 3500964), (9, 3111968), (12, 2333976), (16, 1750482), (18, 1555984), (24, 1166988), (32, 875241), (36, 777992), (48, 583494), (72, 388996), (79, 354528), (96, 291747), (144, 194498), (158, 177264), (237, 118176), (288, 97249), (316, 88632), (474, 59088), (632, 44316), (711, 39392), (948, 29544), (1231, 22752), (1264, 22158), (1422, 19696), (1896, 14772), (2462, 11376), (2528, 11079), (2844, 9848), (3693, 7584), (3792, 7386), (4924, 5688)]