27728428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4481}}^1$

素因数の和:4522

約数の個数: 48

約数和(自身を含む): 63249984

約数和(自身を除く): 35521556

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 4481, 6188, 8962, 17924, 31367, 58253, 62734, 76177, 116506, 125468, 152354, 233012, 304708, 407771, 533239, 815542, 990301, 1066478, 1631084, 1980602, 2132956, 3961204, 6932107, 13864214, 27728428]

約数ペア:

[(1, 27728428), (2, 13864214), (4, 6932107), (7, 3961204), (13, 2132956), (14, 1980602), (17, 1631084), (26, 1066478), (28, 990301), (34, 815542), (52, 533239), (68, 407771), (91, 304708), (119, 233012), (182, 152354), (221, 125468), (238, 116506), (364, 76177), (442, 62734), (476, 58253), (884, 31367), (1547, 17924), (3094, 8962), (4481, 6188)]