28916030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 62209728

約数和(自身を除く): 33293698

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 73, 110, 130, 143, 146, 277, 286, 365, 554, 715, 730, 803, 949, 1385, 1430, 1606, 1898, 2770, 3047, 3601, 4015, 4745, 6094, 7202, 8030, 9490, 10439, 15235, 18005, 20221, 20878, 30470, 36010, 39611, 40442, 52195, 79222, 101105, 104390, 198055, 202210, 222431, 262873, 396110, 444862, 525746, 1112155, 1314365, 2224310, 2628730, 2891603, 5783206, 14458015, 28916030]

約数ペア:

[(1, 28916030), (2, 14458015), (5, 5783206), (10, 2891603), (11, 2628730), (13, 2224310), (22, 1314365), (26, 1112155), (55, 525746), (65, 444862), (73, 396110), (110, 262873), (130, 222431), (143, 202210), (146, 198055), (277, 104390), (286, 101105), (365, 79222), (554, 52195), (715, 40442), (730, 39611), (803, 36010), (949, 30470), (1385, 20878), (1430, 20221), (1606, 18005), (1898, 15235), (2770, 10439), (3047, 9490), (3601, 8030), (4015, 7202), (4745, 6094)]