128778336

素因数分解:

$2^5\times 3^5\times {\mathrm{16561}}^1$

素因数の和:16586

約数の個数: 72

約数和(自身を含む): 379799784

約数和(自身を除く): 251021448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 864, 972, 1296, 1944, 2592, 3888, 7776, 16561, 33122, 49683, 66244, 99366, 132488, 149049, 198732, 264976, 298098, 397464, 447147, 529952, 596196, 794928, 894294, 1192392, 1341441, 1589856, 1788588, 2384784, 2682882, 3577176, 4024323, 4769568, 5365764, 7154352, 8048646, 10731528, 14308704, 16097292, 21463056, 32194584, 42926112, 64389168, 128778336]

約数ペア:

[(1, 128778336), (2, 64389168), (3, 42926112), (4, 32194584), (6, 21463056), (8, 16097292), (9, 14308704), (12, 10731528), (16, 8048646), (18, 7154352), (24, 5365764), (27, 4769568), (32, 4024323), (36, 3577176), (48, 2682882), (54, 2384784), (72, 1788588), (81, 1589856), (96, 1341441), (108, 1192392), (144, 894294), (162, 794928), (216, 596196), (243, 529952), (288, 447147), (324, 397464), (432, 298098), (486, 264976), (648, 198732), (864, 149049), (972, 132488), (1296, 99366), (1944, 66244), (2592, 49683), (3888, 33122), (7776, 16561)]