2640508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 5503680

約数和(自身を除く): 2863172

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 103, 116, 206, 221, 377, 412, 442, 493, 754, 884, 986, 1339, 1508, 1751, 1972, 2678, 2987, 3502, 5356, 5974, 6409, 7004, 11948, 12818, 22763, 25636, 38831, 45526, 50779, 77662, 91052, 101558, 155324, 203116, 660127, 1320254, 2640508]

約数ペア:

[(1, 2640508), (2, 1320254), (4, 660127), (13, 203116), (17, 155324), (26, 101558), (29, 91052), (34, 77662), (52, 50779), (58, 45526), (68, 38831), (103, 25636), (116, 22763), (206, 12818), (221, 11948), (377, 7004), (412, 6409), (442, 5974), (493, 5356), (754, 3502), (884, 2987), (986, 2678), (1339, 1972), (1508, 1751)]