216977656

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{90107}}^1$

素因数の和:90163

約数の個数: 32

約数和(自身を含む): 475770240

約数和(自身を除く): 258792584

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 90107, 180214, 360428, 630749, 720856, 1261498, 2522996, 3874601, 5045992, 7749202, 15498404, 27122207, 30996808, 54244414, 108488828, 216977656]

約数ペア:

[(1, 216977656), (2, 108488828), (4, 54244414), (7, 30996808), (8, 27122207), (14, 15498404), (28, 7749202), (43, 5045992), (56, 3874601), (86, 2522996), (172, 1261498), (301, 720856), (344, 630749), (602, 360428), (1204, 180214), (2408, 90107)]