1279681715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{11939}}^1$

素因数の和:12071

約数の個数: 32

約数和(自身を含む): 1769221440

約数和(自身を除く): 489539725

約数列:

[1, 5, 13, 17, 65, 85, 97, 221, 485, 1105, 1261, 1649, 6305, 8245, 11939, 21437, 59695, 107185, 155207, 202963, 776035, 1014815, 1158083, 2638519, 5790415, 13192595, 15055079, 19687411, 75275395, 98437055, 255936343, 1279681715]

約数ペア:

[(1, 1279681715), (5, 255936343), (13, 98437055), (17, 75275395), (65, 19687411), (85, 15055079), (97, 13192595), (221, 5790415), (485, 2638519), (1105, 1158083), (1261, 1014815), (1649, 776035), (6305, 202963), (8245, 155207), (11939, 107185), (21437, 59695)]