81284008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3413}}^1$

素因数の和:3661

約数の個数: 32

約数和(自身を含む): 164896200

約数和(自身を除く): 83612192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 229, 458, 916, 1832, 2977, 3413, 5954, 6826, 11908, 13652, 23816, 27304, 44369, 88738, 177476, 354952, 781577, 1563154, 3126308, 6252616, 10160501, 20321002, 40642004, 81284008]

約数ペア:

[(1, 81284008), (2, 40642004), (4, 20321002), (8, 10160501), (13, 6252616), (26, 3126308), (52, 1563154), (104, 781577), (229, 354952), (458, 177476), (916, 88738), (1832, 44369), (2977, 27304), (3413, 23816), (5954, 13652), (6826, 11908)]