81659268

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{5167}}^1$

素因数の和:5616

約数の個数: 36

約数和(自身を含む): 206926720

約数和(自身を除く): 125267452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1317, 1756, 2634, 3951, 5167, 5268, 7902, 10334, 15501, 15804, 20668, 31002, 46503, 62004, 93006, 186012, 2268313, 4536626, 6804939, 9073252, 13609878, 20414817, 27219756, 40829634, 81659268]

約数ペア:

[(1, 81659268), (2, 40829634), (3, 27219756), (4, 20414817), (6, 13609878), (9, 9073252), (12, 6804939), (18, 4536626), (36, 2268313), (439, 186012), (878, 93006), (1317, 62004), (1756, 46503), (2634, 31002), (3951, 20668), (5167, 15804), (5268, 15501), (7902, 10334)]