642719912

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 1289381760

約数和(自身を除く): 646661848

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 173, 184, 244, 331, 346, 488, 662, 692, 1324, 1384, 1403, 2648, 2806, 3979, 5612, 7613, 7958, 10553, 11224, 15226, 15916, 20191, 21106, 30452, 31832, 40382, 42212, 57263, 60904, 80764, 84424, 114526, 161528, 229052, 242719, 458104, 464393, 485438, 928786, 970876, 1317049, 1857572, 1941752, 2634098, 3493043, 3715144, 5268196, 6986086, 10536392, 13972172, 27944344, 80339989, 160679978, 321359956, 642719912]

約数ペア:

[(1, 642719912), (2, 321359956), (4, 160679978), (8, 80339989), (23, 27944344), (46, 13972172), (61, 10536392), (92, 6986086), (122, 5268196), (173, 3715144), (184, 3493043), (244, 2634098), (331, 1941752), (346, 1857572), (488, 1317049), (662, 970876), (692, 928786), (1324, 485438), (1384, 464393), (1403, 458104), (2648, 242719), (2806, 229052), (3979, 161528), (5612, 114526), (7613, 84424), (7958, 80764), (10553, 60904), (11224, 57263), (15226, 42212), (15916, 40382), (20191, 31832), (21106, 30452)]