679273984

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{42797}}^1$

素因数の和:42846

約数の個数: 40

約数和(自身を含む): 1401035328

約数和(自身を除く): 721761344

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 42797, 85594, 171188, 342376, 684752, 1326707, 1369504, 2653414, 2739008, 5306828, 5478016, 10613656, 10956032, 21227312, 21912064, 42454624, 84909248, 169818496, 339636992, 679273984]

約数ペア:

[(1, 679273984), (2, 339636992), (4, 169818496), (8, 84909248), (16, 42454624), (31, 21912064), (32, 21227312), (62, 10956032), (64, 10613656), (124, 5478016), (128, 5306828), (248, 2739008), (256, 2653414), (496, 1369504), (512, 1326707), (992, 684752), (1984, 342376), (3968, 171188), (7936, 85594), (15872, 42797)]