71736728

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^3\times {\mathrm{43}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 162539520

約数和(自身を除く): 90802792

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 248, 301, 344, 434, 602, 868, 961, 1204, 1333, 1736, 1922, 2408, 2666, 3844, 5332, 6727, 7688, 9331, 10664, 13454, 18662, 26908, 29791, 37324, 41323, 53816, 59582, 74648, 82646, 119164, 165292, 208537, 238328, 289261, 330584, 417074, 578522, 834148, 1157044, 1281013, 1668296, 2314088, 2562026, 5124052, 8967091, 10248104, 17934182, 35868364, 71736728]

約数ペア:

[(1, 71736728), (2, 35868364), (4, 17934182), (7, 10248104), (8, 8967091), (14, 5124052), (28, 2562026), (31, 2314088), (43, 1668296), (56, 1281013), (62, 1157044), (86, 834148), (124, 578522), (172, 417074), (217, 330584), (248, 289261), (301, 238328), (344, 208537), (434, 165292), (602, 119164), (868, 82646), (961, 74648), (1204, 59582), (1333, 53816), (1736, 41323), (1922, 37324), (2408, 29791), (2666, 26908), (3844, 18662), (5332, 13454), (6727, 10664), (7688, 9331)]