259493936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23539}}^1$

素因数の和:23613

約数の個数: 40

約数和(自身を含む): 551683440

約数和(自身を除く): 292189504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 23539, 47078, 94156, 188312, 306007, 376624, 612014, 1224028, 1247567, 2448056, 2495134, 4896112, 4990268, 9980536, 16218371, 19961072, 32436742, 64873484, 129746968, 259493936]

約数ペア:

[(1, 259493936), (2, 129746968), (4, 64873484), (8, 32436742), (13, 19961072), (16, 16218371), (26, 9980536), (52, 4990268), (53, 4896112), (104, 2495134), (106, 2448056), (208, 1247567), (212, 1224028), (424, 612014), (689, 376624), (848, 306007), (1378, 188312), (2756, 94156), (5512, 47078), (11024, 23539)]