25405908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 65064384

約数和(自身を除く): 39658476

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 197, 394, 591, 788, 977, 1182, 1954, 2167, 2364, 2931, 3908, 4334, 5862, 6501, 8668, 10747, 11724, 13002, 21494, 26004, 32241, 42988, 64482, 128964, 192469, 384938, 577407, 769876, 1154814, 2117159, 2309628, 4234318, 6351477, 8468636, 12702954, 25405908]

約数ペア:

[(1, 25405908), (2, 12702954), (3, 8468636), (4, 6351477), (6, 4234318), (11, 2309628), (12, 2117159), (22, 1154814), (33, 769876), (44, 577407), (66, 384938), (132, 192469), (197, 128964), (394, 64482), (591, 42988), (788, 32241), (977, 26004), (1182, 21494), (1954, 13002), (2167, 11724), (2364, 10747), (2931, 8668), (3908, 6501), (4334, 5862)]