898197839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 1201514496

約数和(自身を除く): 303316657

約数列:

[1, 7, 11, 17, 77, 119, 181, 187, 223, 289, 1267, 1309, 1561, 1991, 2023, 2453, 3077, 3179, 3791, 13937, 17171, 21539, 22253, 26537, 33847, 40363, 41701, 52309, 64447, 236929, 282541, 291907, 366163, 443993, 451129, 575399, 686171, 708917, 3107951, 4027793, 4803197, 4962419, 7547881, 11664907, 52835167, 81654349, 128313977, 898197839]

約数ペア:

[(1, 898197839), (7, 128313977), (11, 81654349), (17, 52835167), (77, 11664907), (119, 7547881), (181, 4962419), (187, 4803197), (223, 4027793), (289, 3107951), (1267, 708917), (1309, 686171), (1561, 575399), (1991, 451129), (2023, 443993), (2453, 366163), (3077, 291907), (3179, 282541), (3791, 236929), (13937, 64447), (17171, 52309), (21539, 41701), (22253, 40363), (26537, 33847)]