664268868

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{971}}^1$

素因数の和:1625

約数の個数: 72

約数和(自身を含む): 1737904896

約数和(自身を除く): 1073636028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 613, 971, 1116, 1226, 1839, 1942, 2452, 2913, 3678, 3884, 5517, 5826, 7356, 8739, 11034, 11652, 17478, 19003, 22068, 30101, 34956, 38006, 57009, 60202, 76012, 90303, 114018, 120404, 171027, 180606, 228036, 270909, 342054, 361212, 541818, 595223, 684108, 1083636, 1190446, 1785669, 2380892, 3571338, 5357007, 7142676, 10714014, 18451913, 21428028, 36903826, 55355739, 73807652, 110711478, 166067217, 221422956, 332134434, 664268868]

約数ペア:

[(1, 664268868), (2, 332134434), (3, 221422956), (4, 166067217), (6, 110711478), (9, 73807652), (12, 55355739), (18, 36903826), (31, 21428028), (36, 18451913), (62, 10714014), (93, 7142676), (124, 5357007), (186, 3571338), (279, 2380892), (372, 1785669), (558, 1190446), (613, 1083636), (971, 684108), (1116, 595223), (1226, 541818), (1839, 361212), (1942, 342054), (2452, 270909), (2913, 228036), (3678, 180606), (3884, 171027), (5517, 120404), (5826, 114018), (7356, 90303), (8739, 76012), (11034, 60202), (11652, 57009), (17478, 38006), (19003, 34956), (22068, 30101)]