258980944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27481}}^1$

素因数の和:27539

約数の個数: 40

約数和(自身を含む): 545242880

約数和(自身を除く): 286261936

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 27481, 54962, 109924, 219848, 439696, 522139, 851911, 1044278, 1703822, 2088556, 3407644, 4177112, 6815288, 8354224, 13630576, 16186309, 32372618, 64745236, 129490472, 258980944]

約数ペア:

[(1, 258980944), (2, 129490472), (4, 64745236), (8, 32372618), (16, 16186309), (19, 13630576), (31, 8354224), (38, 6815288), (62, 4177112), (76, 3407644), (124, 2088556), (152, 1703822), (248, 1044278), (304, 851911), (496, 522139), (589, 439696), (1178, 219848), (2356, 109924), (4712, 54962), (9424, 27481)]