71821957

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 80481600

約数和(自身を除く): 8659643

約数列:

[1, 17, 19, 229, 323, 971, 3893, 4351, 16507, 18449, 73967, 222359, 313633, 3780103, 4224821, 71821957]

約数ペア:

[(1, 71821957), (17, 4224821), (19, 3780103), (229, 313633), (323, 222359), (971, 73967), (3893, 18449), (4351, 16507)]