319919435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{787}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 442540800

約数和(自身を除く): 122621365

約数列:

[1, 5, 11, 19, 55, 95, 209, 389, 787, 1045, 1945, 3935, 4279, 7391, 8657, 14953, 21395, 36955, 43285, 74765, 81301, 164483, 306143, 406505, 822415, 1530715, 3367573, 5816717, 16837865, 29083585, 63983887, 319919435]

約数ペア:

[(1, 319919435), (5, 63983887), (11, 29083585), (19, 16837865), (55, 5816717), (95, 3367573), (209, 1530715), (389, 822415), (787, 406505), (1045, 306143), (1945, 164483), (3935, 81301), (4279, 74765), (7391, 43285), (8657, 36955), (14953, 21395)]