397431664

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{186763}}^1$

素因数の和:186797

約数の個数: 40

約数和(自身を含む): 926349440

約数和(自身を除く): 528917776

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 186763, 373526, 747052, 1307341, 1494104, 2614682, 2988208, 3548497, 5229364, 7096994, 10458728, 14193988, 20917456, 24839479, 28387976, 49678958, 56775952, 99357916, 198715832, 397431664]

約数ペア:

[(1, 397431664), (2, 198715832), (4, 99357916), (7, 56775952), (8, 49678958), (14, 28387976), (16, 24839479), (19, 20917456), (28, 14193988), (38, 10458728), (56, 7096994), (76, 5229364), (112, 3548497), (133, 2988208), (152, 2614682), (266, 1494104), (304, 1307341), (532, 747052), (1064, 373526), (2128, 186763)]