51442495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 69148800

約数和(自身を除く): 17706305

約数列:

[1, 5, 13, 41, 65, 97, 199, 205, 485, 533, 995, 1261, 2587, 2665, 3977, 6305, 8159, 12935, 19303, 19885, 40795, 51701, 96515, 106067, 250939, 258505, 530335, 791423, 1254695, 3957115, 10288499, 51442495]

約数ペア:

[(1, 51442495), (5, 10288499), (13, 3957115), (41, 1254695), (65, 791423), (97, 530335), (199, 258505), (205, 250939), (485, 106067), (533, 96515), (995, 51701), (1261, 40795), (2587, 19885), (2665, 19303), (3977, 12935), (6305, 8159)]