278324527

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{1297}}^1$

素因数の和:2298

約数の個数: 16

約数和(自身を含む): 317937312

約数和(自身を除く): 39612785

約数列:

[1, 13, 17, 221, 971, 1297, 12623, 16507, 16861, 22049, 214591, 286637, 1259387, 16372031, 21409579, 278324527]

約数ペア:

[(1, 278324527), (13, 21409579), (17, 16372031), (221, 1259387), (971, 286637), (1297, 214591), (12623, 22049), (16507, 16861)]