81662350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21211}}^1$

素因数の和:21241

約数の個数: 48

約数和(自身を含む): 189380736

約数和(自身を除く): 107718386

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 21211, 42422, 106055, 148477, 212110, 233321, 296954, 466642, 530275, 742385, 1060550, 1166605, 1484770, 1633247, 2333210, 3266494, 3711925, 5833025, 7423850, 8166235, 11666050, 16332470, 40831175, 81662350]

約数ペア:

[(1, 81662350), (2, 40831175), (5, 16332470), (7, 11666050), (10, 8166235), (11, 7423850), (14, 5833025), (22, 3711925), (25, 3266494), (35, 2333210), (50, 1633247), (55, 1484770), (70, 1166605), (77, 1060550), (110, 742385), (154, 530275), (175, 466642), (275, 296954), (350, 233321), (385, 212110), (550, 148477), (770, 106055), (1925, 42422), (3850, 21211)]