16881831008

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1235497}}^1$

素因数の和:1235575

約数の個数: 48

約数和(自身を含む): 38606841504

約数和(自身を除く): 21725010496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1708, 1952, 3416, 6832, 13664, 1235497, 2470994, 4941988, 8648479, 9883976, 17296958, 19767952, 34593916, 39535904, 69187832, 75365317, 138375664, 150730634, 276751328, 301461268, 527557219, 602922536, 1055114438, 1205845072, 2110228876, 2411690144, 4220457752, 8440915504, 16881831008]

約数ペア:

[(1, 16881831008), (2, 8440915504), (4, 4220457752), (7, 2411690144), (8, 2110228876), (14, 1205845072), (16, 1055114438), (28, 602922536), (32, 527557219), (56, 301461268), (61, 276751328), (112, 150730634), (122, 138375664), (224, 75365317), (244, 69187832), (427, 39535904), (488, 34593916), (854, 19767952), (976, 17296958), (1708, 9883976), (1952, 8648479), (3416, 4941988), (6832, 2470994), (13664, 1235497)]