978474287

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 1263211200

約数和(自身を除く): 284736913

約数列:

[1, 7, 17, 37, 49, 53, 119, 259, 371, 599, 629, 833, 901, 1813, 1961, 2597, 4193, 4403, 6307, 10183, 13727, 22163, 29351, 30821, 31747, 33337, 44149, 71281, 96089, 155141, 222229, 233359, 376771, 498967, 539699, 1085987, 1174639, 1555603, 1633513, 2637397, 3777893, 8222473, 18461779, 19968863, 26445251, 57557311, 139782041, 978474287]

約数ペア:

[(1, 978474287), (7, 139782041), (17, 57557311), (37, 26445251), (49, 19968863), (53, 18461779), (119, 8222473), (259, 3777893), (371, 2637397), (599, 1633513), (629, 1555603), (833, 1174639), (901, 1085987), (1813, 539699), (1961, 498967), (2597, 376771), (4193, 233359), (4403, 222229), (6307, 155141), (10183, 96089), (13727, 71281), (22163, 44149), (29351, 33337), (30821, 31747)]