213284773

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 250677504

約数和(自身を除く): 37392731

約数列:

[1, 13, 23, 43, 53, 299, 313, 559, 689, 989, 1219, 2279, 4069, 7199, 12857, 13459, 15847, 16589, 29627, 52417, 93587, 174967, 215657, 309557, 381547, 681421, 713327, 4024241, 4960111, 9273251, 16406521, 213284773]

約数ペア:

[(1, 213284773), (13, 16406521), (23, 9273251), (43, 4960111), (53, 4024241), (299, 713327), (313, 681421), (559, 381547), (689, 309557), (989, 215657), (1219, 174967), (2279, 93587), (4069, 52417), (7199, 29627), (12857, 16589), (13459, 15847)]