87515728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 188987904

約数和(自身を除く): 101472176

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 97, 107, 124, 136, 194, 214, 248, 272, 388, 428, 496, 527, 776, 856, 1054, 1552, 1649, 1712, 1819, 2108, 3007, 3298, 3317, 3638, 4216, 6014, 6596, 6634, 7276, 8432, 10379, 12028, 13192, 13268, 14552, 20758, 24056, 26384, 26536, 29104, 41516, 48112, 51119, 53072, 56389, 83032, 102238, 112778, 166064, 176443, 204476, 225556, 321749, 352886, 408952, 451112, 643498, 705772, 817904, 902224, 1286996, 1411544, 2573992, 2823088, 5147984, 5469733, 10939466, 21878932, 43757864, 87515728]

約数ペア:

[(1, 87515728), (2, 43757864), (4, 21878932), (8, 10939466), (16, 5469733), (17, 5147984), (31, 2823088), (34, 2573992), (62, 1411544), (68, 1286996), (97, 902224), (107, 817904), (124, 705772), (136, 643498), (194, 451112), (214, 408952), (248, 352886), (272, 321749), (388, 225556), (428, 204476), (496, 176443), (527, 166064), (776, 112778), (856, 102238), (1054, 83032), (1552, 56389), (1649, 53072), (1712, 51119), (1819, 48112), (2108, 41516), (3007, 29104), (3298, 26536), (3317, 26384), (3638, 24056), (4216, 20758), (6014, 14552), (6596, 13268), (6634, 13192), (7276, 12028), (8432, 10379)]