1978528045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{55243}}^1$

素因数の和:55309

約数の個数: 32

約数和(自身を含む): 2784297600

約数和(自身を除く): 805769555

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 377, 551, 1235, 1885, 2755, 7163, 35815, 55243, 276215, 718159, 1049617, 1602047, 3590795, 5248085, 8010235, 13645021, 20826611, 30438893, 68225105, 104133055, 152194465, 395705609, 1978528045]

約数ペア:

[(1, 1978528045), (5, 395705609), (13, 152194465), (19, 104133055), (29, 68225105), (65, 30438893), (95, 20826611), (145, 13645021), (247, 8010235), (377, 5248085), (551, 3590795), (1235, 1602047), (1885, 1049617), (2755, 718159), (7163, 276215), (35815, 55243)]