39243815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 13978585

約数列:

[1, 5, 13, 29, 65, 109, 145, 191, 377, 545, 955, 1417, 1885, 2483, 3161, 5539, 7085, 12415, 15805, 20819, 27695, 41093, 72007, 104095, 205465, 270647, 360035, 603751, 1353235, 3018755, 7848763, 39243815]

約数ペア:

[(1, 39243815), (5, 7848763), (13, 3018755), (29, 1353235), (65, 603751), (109, 360035), (145, 270647), (191, 205465), (377, 104095), (545, 72007), (955, 41093), (1417, 27695), (1885, 20819), (2483, 15805), (3161, 12415), (5539, 7085)]