72212465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{1321}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 96722808

約数和(自身を除く): 24510343

約数列:

[1, 5, 13, 29, 65, 145, 377, 841, 1321, 1885, 4205, 6605, 10933, 17173, 38309, 54665, 85865, 191545, 498017, 1110961, 2490085, 5554805, 14442493, 72212465]

約数ペア:

[(1, 72212465), (5, 14442493), (13, 5554805), (29, 2490085), (65, 1110961), (145, 498017), (377, 191545), (841, 85865), (1321, 54665), (1885, 38309), (4205, 17173), (6605, 10933)]