28221050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3983

約数の個数: 48

約数和(自身を含む): 61683552

約数和(自身を除く): 33462502

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 3947, 7150, 7894, 19735, 39470, 43417, 51311, 86834, 98675, 102622, 197350, 217085, 256555, 434170, 513110, 564421, 1085425, 1128842, 1282775, 2170850, 2565550, 2822105, 5644210, 14110525, 28221050]

約数ペア:

[(1, 28221050), (2, 14110525), (5, 5644210), (10, 2822105), (11, 2565550), (13, 2170850), (22, 1282775), (25, 1128842), (26, 1085425), (50, 564421), (55, 513110), (65, 434170), (110, 256555), (130, 217085), (143, 197350), (275, 102622), (286, 98675), (325, 86834), (550, 51311), (650, 43417), (715, 39470), (1430, 19735), (3575, 7894), (3947, 7150)]