28687204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 62995968

約数和(自身を除く): 34308764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 1487, 2756, 2974, 4823, 5948, 9646, 10409, 19292, 19331, 20818, 38662, 41636, 77324, 78811, 135317, 157622, 270634, 315244, 541268, 551677, 1024543, 1103354, 2049086, 2206708, 4098172, 7171801, 14343602, 28687204]

約数ペア:

[(1, 28687204), (2, 14343602), (4, 7171801), (7, 4098172), (13, 2206708), (14, 2049086), (26, 1103354), (28, 1024543), (52, 551677), (53, 541268), (91, 315244), (106, 270634), (182, 157622), (212, 135317), (364, 78811), (371, 77324), (689, 41636), (742, 38662), (1378, 20818), (1484, 19331), (1487, 19292), (2756, 10409), (2974, 9646), (4823, 5948)]