28303996

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 60399360

約数和(自身を除く): 32095364

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 532, 581, 641, 1162, 1282, 1577, 2324, 2564, 3154, 4487, 6308, 8974, 11039, 12179, 17948, 22078, 24358, 44156, 48716, 53203, 85253, 106406, 170506, 212812, 341012, 372421, 744842, 1010857, 1489684, 2021714, 4043428, 7075999, 14151998, 28303996]

約数ペア:

[(1, 28303996), (2, 14151998), (4, 7075999), (7, 4043428), (14, 2021714), (19, 1489684), (28, 1010857), (38, 744842), (76, 372421), (83, 341012), (133, 212812), (166, 170506), (266, 106406), (332, 85253), (532, 53203), (581, 48716), (641, 44156), (1162, 24358), (1282, 22078), (1577, 17948), (2324, 12179), (2564, 11039), (3154, 8974), (4487, 6308)]