201904787

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 250629120

約数和(自身を除く): 48724333

約数列:

[1, 7, 23, 41, 73, 161, 287, 419, 511, 943, 1679, 2933, 2993, 6601, 9637, 11753, 17179, 20951, 30587, 67459, 68839, 120253, 214109, 395117, 481873, 703501, 1254067, 2765819, 4924507, 8778469, 28843541, 201904787]

約数ペア:

[(1, 201904787), (7, 28843541), (23, 8778469), (41, 4924507), (73, 2765819), (161, 1254067), (287, 703501), (419, 481873), (511, 395117), (943, 214109), (1679, 120253), (2933, 68839), (2993, 67459), (6601, 30587), (9637, 20951), (11753, 17179)]