16121651

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 21168000

約数和(自身を除く): 5046349

約数列:

[1, 7, 13, 29, 41, 91, 149, 203, 287, 377, 533, 1043, 1189, 1937, 2639, 3731, 4321, 6109, 8323, 13559, 15457, 30247, 42763, 56173, 79417, 108199, 177161, 393211, 555919, 1240127, 2303093, 16121651]

約数ペア:

[(1, 16121651), (7, 2303093), (13, 1240127), (29, 555919), (41, 393211), (91, 177161), (149, 108199), (203, 79417), (287, 56173), (377, 42763), (533, 30247), (1043, 15457), (1189, 13559), (1937, 8323), (2639, 6109), (3731, 4321)]