209352305

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{23669}}^1$

素因数の和:23764

約数の個数: 16

約数和(自身を含む): 264157200

約数和(自身を除く): 54804895

約数列:

[1, 5, 29, 61, 145, 305, 1769, 8845, 23669, 118345, 686401, 1443809, 3432005, 7219045, 41870461, 209352305]

約数ペア:

[(1, 209352305), (5, 41870461), (29, 7219045), (61, 3432005), (145, 1443809), (305, 686401), (1769, 118345), (8845, 23669)]