157220972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{10501}}^1$

素因数の和:10721

約数の個数: 24

約数和(自身を含む): 291115440

約数和(自身を除く): 133894468

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 3743, 7486, 10501, 14972, 21002, 42004, 199519, 399038, 798076, 2068697, 4137394, 8274788, 39305243, 78610486, 157220972]

約数ペア:

[(1, 157220972), (2, 78610486), (4, 39305243), (19, 8274788), (38, 4137394), (76, 2068697), (197, 798076), (394, 399038), (788, 199519), (3743, 42004), (7486, 21002), (10501, 14972)]