217487984

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{102203}}^1$

素因数の和:102237

約数の個数: 40

約数和(自身を含む): 506931840

約数和(自身を除く): 289443856

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 102203, 204406, 408812, 715421, 817624, 1430842, 1635248, 1941857, 2861684, 3883714, 5723368, 7767428, 11446736, 13592999, 15534856, 27185998, 31069712, 54371996, 108743992, 217487984]

約数ペア:

[(1, 217487984), (2, 108743992), (4, 54371996), (7, 31069712), (8, 27185998), (14, 15534856), (16, 13592999), (19, 11446736), (28, 7767428), (38, 5723368), (56, 3883714), (76, 2861684), (112, 1941857), (133, 1635248), (152, 1430842), (266, 817624), (304, 715421), (532, 408812), (1064, 204406), (2128, 102203)]