221618436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1420631}}^1$

素因数の和:1420651

約数の個数: 24

約数和(自身を含む): 556887744

約数和(自身を除く): 335269308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1420631, 2841262, 4261893, 5682524, 8523786, 17047572, 18468203, 36936406, 55404609, 73872812, 110809218, 221618436]

約数ペア:

[(1, 221618436), (2, 110809218), (3, 73872812), (4, 55404609), (6, 36936406), (12, 18468203), (13, 17047572), (26, 8523786), (39, 5682524), (52, 4261893), (78, 2841262), (156, 1420631)]