28897770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1395

約数の個数: 64

約数和(自身を含む): 76847616

約数和(自身を除く): 47949846

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 67, 110, 134, 165, 201, 330, 335, 402, 670, 737, 1005, 1307, 1474, 2010, 2211, 2614, 3685, 3921, 4422, 6535, 7370, 7842, 11055, 13070, 14377, 19605, 22110, 28754, 39210, 43131, 71885, 86262, 87569, 143770, 175138, 215655, 262707, 431310, 437845, 525414, 875690, 963259, 1313535, 1926518, 2627070, 2889777, 4816295, 5779554, 9632590, 14448885, 28897770]

約数ペア:

[(1, 28897770), (2, 14448885), (3, 9632590), (5, 5779554), (6, 4816295), (10, 2889777), (11, 2627070), (15, 1926518), (22, 1313535), (30, 963259), (33, 875690), (55, 525414), (66, 437845), (67, 431310), (110, 262707), (134, 215655), (165, 175138), (201, 143770), (330, 87569), (335, 86262), (402, 71885), (670, 43131), (737, 39210), (1005, 28754), (1307, 22110), (1474, 19605), (2010, 14377), (2211, 13070), (2614, 11055), (3685, 7842), (3921, 7370), (4422, 6535)]