257912930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{3307}}^1$

素因数の和:4034

約数の個数: 32

約数和(自身を含む): 507314880

約数和(自身を除く): 249401950

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 709, 1418, 3307, 3545, 6614, 7090, 7799, 15598, 16535, 33070, 36377, 38995, 72754, 77990, 181885, 363770, 2344663, 4689326, 11723315, 23446630, 25791293, 51582586, 128956465, 257912930]

約数ペア:

[(1, 257912930), (2, 128956465), (5, 51582586), (10, 25791293), (11, 23446630), (22, 11723315), (55, 4689326), (110, 2344663), (709, 363770), (1418, 181885), (3307, 77990), (3545, 72754), (6614, 38995), (7090, 36377), (7799, 33070), (15598, 16535)]