1272924215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1553}}^1\times {\mathrm{9643}}^1$

素因数の和:11218

約数の個数: 16

約数和(自身を含む): 1618571808

約数和(自身を除く): 345647593

約数列:

[1, 5, 17, 85, 1553, 7765, 9643, 26401, 48215, 132005, 163931, 819655, 14975579, 74877895, 254584843, 1272924215]

約数ペア:

[(1, 1272924215), (5, 254584843), (17, 74877895), (85, 14975579), (1553, 819655), (7765, 163931), (9643, 132005), (26401, 48215)]