31419850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8161}}^1$

素因数の和:8191

約数の個数: 48

約数和(自身を含む): 72870336

約数和(自身を除く): 41450486

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, 8161, 16322, 40805, 57127, 81610, 89771, 114254, 179542, 204025, 285635, 408050, 448855, 571270, 628397, 897710, 1256794, 1428175, 2244275, 2856350, 3141985, 4488550, 6283970, 15709925, 31419850]

約数ペア:

[(1, 31419850), (2, 15709925), (5, 6283970), (7, 4488550), (10, 3141985), (11, 2856350), (14, 2244275), (22, 1428175), (25, 1256794), (35, 897710), (50, 628397), (55, 571270), (70, 448855), (77, 408050), (110, 285635), (154, 204025), (175, 179542), (275, 114254), (350, 89771), (385, 81610), (550, 57127), (770, 40805), (1925, 16322), (3850, 8161)]