65725712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16631}}^1$

素因数の和:16671

約数の個数: 40

約数和(自身を含む): 144365760

約数和(自身を除く): 78640048

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 16631, 33262, 66524, 133048, 216203, 266096, 315989, 432406, 631978, 864812, 1263956, 1729624, 2527912, 3459248, 4107857, 5055824, 8215714, 16431428, 32862856, 65725712]

約数ペア:

[(1, 65725712), (2, 32862856), (4, 16431428), (8, 8215714), (13, 5055824), (16, 4107857), (19, 3459248), (26, 2527912), (38, 1729624), (52, 1263956), (76, 864812), (104, 631978), (152, 432406), (208, 315989), (247, 266096), (304, 216203), (494, 133048), (988, 66524), (1976, 33262), (3952, 16631)]