399707332

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{309371}}^1$

素因数の和:309411

約数の個数: 24

約数和(自身を含む): 779617440

約数和(自身を除く): 379910108

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 309371, 618742, 1237484, 5259307, 5878049, 10518614, 11756098, 21037228, 23512196, 99926833, 199853666, 399707332]

約数ペア:

[(1, 399707332), (2, 199853666), (4, 99926833), (17, 23512196), (19, 21037228), (34, 11756098), (38, 10518614), (68, 5878049), (76, 5259307), (323, 1237484), (646, 618742), (1292, 309371)]