30731928

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 79685760

約数和(自身を除く): 48953832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 97, 129, 172, 194, 258, 291, 307, 344, 388, 516, 582, 614, 776, 921, 1032, 1164, 1228, 1842, 2328, 2456, 3684, 4171, 7368, 8342, 12513, 13201, 16684, 25026, 26402, 29779, 33368, 39603, 50052, 52804, 59558, 79206, 89337, 100104, 105608, 119116, 158412, 178674, 238232, 316824, 357348, 714696, 1280497, 2560994, 3841491, 5121988, 7682982, 10243976, 15365964, 30731928]

約数ペア:

[(1, 30731928), (2, 15365964), (3, 10243976), (4, 7682982), (6, 5121988), (8, 3841491), (12, 2560994), (24, 1280497), (43, 714696), (86, 357348), (97, 316824), (129, 238232), (172, 178674), (194, 158412), (258, 119116), (291, 105608), (307, 100104), (344, 89337), (388, 79206), (516, 59558), (582, 52804), (614, 50052), (776, 39603), (921, 33368), (1032, 29779), (1164, 26402), (1228, 25026), (1842, 16684), (2328, 13201), (2456, 12513), (3684, 8342), (4171, 7368)]