201911281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 244984320

約数和(自身を除く): 43073039

約数列:

[1, 11, 13, 61, 79, 143, 293, 671, 793, 869, 1027, 3223, 3809, 4819, 8723, 11297, 17873, 23147, 41899, 53009, 62647, 196603, 232349, 254617, 300911, 689117, 1411967, 2555839, 3310021, 15531637, 18355571, 201911281]

約数ペア:

[(1, 201911281), (11, 18355571), (13, 15531637), (61, 3310021), (79, 2555839), (143, 1411967), (293, 689117), (671, 300911), (793, 254617), (869, 232349), (1027, 196603), (3223, 62647), (3809, 53009), (4819, 41899), (8723, 23147), (11297, 17873)]