281680685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2609}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 399893760

約数和(自身を除く): 118213075

約数列:

[1, 5, 11, 13, 55, 65, 143, 151, 715, 755, 1661, 1963, 2609, 8305, 9815, 13045, 21593, 28699, 33917, 107965, 143495, 169585, 373087, 393959, 1865435, 1969795, 4333549, 5121467, 21667745, 25607335, 56336137, 281680685]

約数ペア:

[(1, 281680685), (5, 56336137), (11, 25607335), (13, 21667745), (55, 5121467), (65, 4333549), (143, 1969795), (151, 1865435), (715, 393959), (755, 373087), (1661, 169585), (1963, 143495), (2609, 107965), (8305, 33917), (9815, 28699), (13045, 21593)]