16401658

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 30489984

約数和(自身を除く): 14088326

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 227, 397, 454, 794, 1589, 2779, 2951, 3178, 5161, 5558, 5902, 10322, 20657, 36127, 41314, 72254, 90119, 180238, 630833, 1171547, 1261666, 2343094, 8200829, 16401658]

約数ペア:

[(1, 16401658), (2, 8200829), (7, 2343094), (13, 1261666), (14, 1171547), (26, 630833), (91, 180238), (182, 90119), (227, 72254), (397, 41314), (454, 36127), (794, 20657), (1589, 10322), (2779, 5902), (2951, 5558), (3178, 5161)]