165550021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 225447040

約数和(自身を除く): 59897019

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 181, 247, 299, 437, 529, 1267, 1729, 2093, 2353, 3059, 3439, 3703, 4163, 5681, 6877, 10051, 16471, 24073, 29141, 39767, 44707, 48139, 54119, 70357, 79097, 95749, 130663, 312949, 378833, 553679, 670243, 914641, 1028261, 1244737, 1819231, 7197827, 8713159, 12734617, 23650003, 165550021]

約数ペア:

[(1, 165550021), (7, 23650003), (13, 12734617), (19, 8713159), (23, 7197827), (91, 1819231), (133, 1244737), (161, 1028261), (181, 914641), (247, 670243), (299, 553679), (437, 378833), (529, 312949), (1267, 130663), (1729, 95749), (2093, 79097), (2353, 70357), (3059, 54119), (3439, 48139), (3703, 44707), (4163, 39767), (5681, 29141), (6877, 24073), (10051, 16471)]