1289504315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1100

約数の個数: 64

約数和(自身を含む): 1897592832

約数和(自身を除く): 608088517

約数列:

[1, 5, 11, 17, 23, 55, 61, 85, 115, 187, 253, 305, 391, 671, 935, 983, 1037, 1265, 1403, 1955, 3355, 4301, 4915, 5185, 7015, 10813, 11407, 15433, 16711, 21505, 22609, 23851, 54065, 57035, 59963, 77165, 83555, 113045, 119255, 183821, 248699, 262361, 299815, 384353, 659593, 919105, 1019371, 1243495, 1311805, 1379149, 1921765, 3297965, 4227883, 5096855, 6895745, 11213081, 15170639, 21139415, 23445533, 56065405, 75853195, 117227665, 257900863, 1289504315]

約数ペア:

[(1, 1289504315), (5, 257900863), (11, 117227665), (17, 75853195), (23, 56065405), (55, 23445533), (61, 21139415), (85, 15170639), (115, 11213081), (187, 6895745), (253, 5096855), (305, 4227883), (391, 3297965), (671, 1921765), (935, 1379149), (983, 1311805), (1037, 1243495), (1265, 1019371), (1403, 919105), (1955, 659593), (3355, 384353), (4301, 299815), (4915, 262361), (5185, 248699), (7015, 183821), (10813, 119255), (11407, 113045), (15433, 83555), (16711, 77165), (21505, 59963), (22609, 57035), (23851, 54065)]