15778768

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 31872960

約数和(自身を除く): 16094192

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 164, 268, 328, 359, 536, 656, 718, 1072, 1436, 2747, 2872, 5494, 5744, 10988, 14719, 21976, 24053, 29438, 43952, 48106, 58876, 96212, 117752, 192424, 235504, 384848, 986173, 1972346, 3944692, 7889384, 15778768]

約数ペア:

[(1, 15778768), (2, 7889384), (4, 3944692), (8, 1972346), (16, 986173), (41, 384848), (67, 235504), (82, 192424), (134, 117752), (164, 96212), (268, 58876), (328, 48106), (359, 43952), (536, 29438), (656, 24053), (718, 21976), (1072, 14719), (1436, 10988), (2747, 5744), (2872, 5494)]