1688897945

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 2423001600

約数和(自身を除く): 734103655

約数列:

[1, 5, 7, 35, 49, 71, 79, 245, 355, 395, 497, 553, 1229, 2485, 2765, 3479, 3871, 5609, 6145, 8603, 17395, 19355, 28045, 39263, 43015, 60221, 87259, 97091, 196315, 274841, 301105, 436295, 485455, 610813, 679637, 1374205, 3054065, 3398185, 4275691, 4757459, 6893461, 21378455, 23787295, 34467305, 48254227, 241271135, 337779589, 1688897945]

約数ペア:

[(1, 1688897945), (5, 337779589), (7, 241271135), (35, 48254227), (49, 34467305), (71, 23787295), (79, 21378455), (245, 6893461), (355, 4757459), (395, 4275691), (497, 3398185), (553, 3054065), (1229, 1374205), (2485, 679637), (2765, 610813), (3479, 485455), (3871, 436295), (5609, 301105), (6145, 274841), (8603, 196315), (17395, 97091), (19355, 87259), (28045, 60221), (39263, 43015)]