215726399

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 269998080

約数和(自身を除く): 54271681

約数列:

[1, 7, 19, 43, 67, 133, 301, 469, 563, 817, 1273, 2881, 3941, 5719, 8911, 10697, 20167, 24209, 37721, 54739, 74879, 169463, 264047, 383173, 459971, 716699, 1622003, 3219797, 5016893, 11354021, 30818057, 215726399]

約数ペア:

[(1, 215726399), (7, 30818057), (19, 11354021), (43, 5016893), (67, 3219797), (133, 1622003), (301, 716699), (469, 459971), (563, 383173), (817, 264047), (1273, 169463), (2881, 74879), (3941, 54739), (5719, 37721), (8911, 24209), (10697, 20167)]