890163265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{1091}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 1174642560

約数和(自身を除く): 284479295

約数列:

[1, 5, 17, 29, 85, 145, 331, 493, 1091, 1655, 2465, 5455, 5627, 9599, 18547, 28135, 31639, 47995, 92735, 158195, 163183, 361121, 537863, 815915, 1805605, 2689315, 6139057, 10472509, 30695285, 52362545, 178032653, 890163265]

約数ペア:

[(1, 890163265), (5, 178032653), (17, 52362545), (29, 30695285), (85, 10472509), (145, 6139057), (331, 2689315), (493, 1805605), (1091, 815915), (1655, 537863), (2465, 361121), (5455, 163183), (5627, 158195), (9599, 92735), (18547, 47995), (28135, 31639)]