28901504

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 60588000

約数和(自身を除く): 31686496

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 64, 86, 89, 118, 128, 172, 178, 236, 344, 356, 472, 688, 712, 944, 1376, 1424, 1888, 2537, 2752, 2848, 3776, 3827, 5074, 5251, 5504, 5696, 7552, 7654, 10148, 10502, 11392, 15308, 20296, 21004, 30616, 40592, 42008, 61232, 81184, 84016, 122464, 162368, 168032, 225793, 244928, 324736, 336064, 451586, 489856, 672128, 903172, 1806344, 3612688, 7225376, 14450752, 28901504]

約数ペア:

[(1, 28901504), (2, 14450752), (4, 7225376), (8, 3612688), (16, 1806344), (32, 903172), (43, 672128), (59, 489856), (64, 451586), (86, 336064), (89, 324736), (118, 244928), (128, 225793), (172, 168032), (178, 162368), (236, 122464), (344, 84016), (356, 81184), (472, 61232), (688, 42008), (712, 40592), (944, 30616), (1376, 21004), (1424, 20296), (1888, 15308), (2537, 11392), (2752, 10502), (2848, 10148), (3776, 7654), (3827, 7552), (5074, 5696), (5251, 5504)]