28513290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 74462976

約数和(自身を除く): 45949686

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 113, 130, 195, 226, 339, 390, 565, 647, 678, 1130, 1294, 1469, 1695, 1941, 2938, 3235, 3390, 3882, 4407, 6470, 7345, 8411, 8814, 9705, 14690, 16822, 19410, 22035, 25233, 42055, 44070, 50466, 73111, 84110, 126165, 146222, 219333, 252330, 365555, 438666, 731110, 950443, 1096665, 1900886, 2193330, 2851329, 4752215, 5702658, 9504430, 14256645, 28513290]

約数ペア:

[(1, 28513290), (2, 14256645), (3, 9504430), (5, 5702658), (6, 4752215), (10, 2851329), (13, 2193330), (15, 1900886), (26, 1096665), (30, 950443), (39, 731110), (65, 438666), (78, 365555), (113, 252330), (130, 219333), (195, 146222), (226, 126165), (339, 84110), (390, 73111), (565, 50466), (647, 44070), (678, 42055), (1130, 25233), (1294, 22035), (1469, 19410), (1695, 16822), (1941, 14690), (2938, 9705), (3235, 8814), (3390, 8411), (3882, 7345), (4407, 6470)]