13986115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 20385792

約数和(自身を除く): 6399677

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 631, 715, 1705, 2015, 3155, 4433, 6941, 8203, 19561, 22165, 34705, 41015, 90233, 97805, 215171, 254293, 451165, 1075855, 1271465, 2797223, 13986115]

約数ペア:

[(1, 13986115), (5, 2797223), (11, 1271465), (13, 1075855), (31, 451165), (55, 254293), (65, 215171), (143, 97805), (155, 90233), (341, 41015), (403, 34705), (631, 22165), (715, 19561), (1705, 8203), (2015, 6941), (3155, 4433)]