28703688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 77837760

約数和(自身を除く): 49134072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 197, 312, 394, 467, 591, 788, 934, 1182, 1401, 1576, 1868, 2364, 2561, 2802, 3736, 4728, 5122, 5604, 6071, 7683, 10244, 11208, 12142, 15366, 18213, 20488, 24284, 30732, 36426, 48568, 61464, 72852, 91999, 145704, 183998, 275997, 367996, 551994, 735992, 1103988, 1195987, 2207976, 2391974, 3587961, 4783948, 7175922, 9567896, 14351844, 28703688]

約数ペア:

[(1, 28703688), (2, 14351844), (3, 9567896), (4, 7175922), (6, 4783948), (8, 3587961), (12, 2391974), (13, 2207976), (24, 1195987), (26, 1103988), (39, 735992), (52, 551994), (78, 367996), (104, 275997), (156, 183998), (197, 145704), (312, 91999), (394, 72852), (467, 61464), (591, 48568), (788, 36426), (934, 30732), (1182, 24284), (1401, 20488), (1576, 18213), (1868, 15366), (2364, 12142), (2561, 11208), (2802, 10244), (3736, 7683), (4728, 6071), (5122, 5604)]