2219984

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 30

約数和(自身を含む): 4663206

約数和(自身を除く): 2443222

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 821, 1352, 1642, 2704, 3284, 6568, 10673, 13136, 21346, 42692, 85384, 138749, 170768, 277498, 554996, 1109992, 2219984]

約数ペア:

[(1, 2219984), (2, 1109992), (4, 554996), (8, 277498), (13, 170768), (16, 138749), (26, 85384), (52, 42692), (104, 21346), (169, 13136), (208, 10673), (338, 6568), (676, 3284), (821, 2704), (1352, 1642)]