28011690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{14821}}^1$

素因数の和:14844

約数の個数: 64

約数和(自身を含む): 85374720

約数和(自身を除く): 57363030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 14821, 29642, 44463, 74105, 88926, 103747, 133389, 148210, 207494, 222315, 266778, 311241, 400167, 444630, 518735, 622482, 666945, 800334, 933723, 1037470, 1333890, 1556205, 1867446, 2000835, 2801169, 3112410, 4001670, 4668615, 5602338, 9337230, 14005845, 28011690]

約数ペア:

[(1, 28011690), (2, 14005845), (3, 9337230), (5, 5602338), (6, 4668615), (7, 4001670), (9, 3112410), (10, 2801169), (14, 2000835), (15, 1867446), (18, 1556205), (21, 1333890), (27, 1037470), (30, 933723), (35, 800334), (42, 666945), (45, 622482), (54, 518735), (63, 444630), (70, 400167), (90, 311241), (105, 266778), (126, 222315), (135, 207494), (189, 148210), (210, 133389), (270, 103747), (315, 88926), (378, 74105), (630, 44463), (945, 29642), (1890, 14821)]