72205028

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2689}}^1$

素因数の和:2844

約数の個数: 36

約数和(自身を含む): 148116780

約数和(自身を除く): 75911752

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 959, 1918, 2689, 3836, 5378, 6713, 10756, 13426, 18823, 26852, 37646, 75292, 131761, 263522, 368393, 527044, 736786, 1473572, 2578751, 5157502, 10315004, 18051257, 36102514, 72205028]

約数ペア:

[(1, 72205028), (2, 36102514), (4, 18051257), (7, 10315004), (14, 5157502), (28, 2578751), (49, 1473572), (98, 736786), (137, 527044), (196, 368393), (274, 263522), (548, 131761), (959, 75292), (1918, 37646), (2689, 26852), (3836, 18823), (5378, 13426), (6713, 10756)]