640911479635

素因数分解:

$5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{90703}}^1$

素因数の和:91064

約数の個数: 48

約数和(自身を含む): 905310093312

約数和(自身を除く): 264398613677

約数列:

[1, 5, 7, 35, 49, 151, 191, 245, 755, 955, 1057, 1337, 5285, 6685, 7399, 9359, 28841, 36995, 46795, 90703, 144205, 201887, 453515, 634921, 1009435, 1413209, 3174605, 4444447, 7066045, 13696153, 17324273, 22222235, 68480765, 86621365, 95873071, 121269911, 479365355, 606349555, 671111497, 848889377, 2615965223, 3355557485, 4244446885, 13079826115, 18311756561, 91558782805, 128182295927, 640911479635]

約数ペア:

[(1, 640911479635), (5, 128182295927), (7, 91558782805), (35, 18311756561), (49, 13079826115), (151, 4244446885), (191, 3355557485), (245, 2615965223), (755, 848889377), (955, 671111497), (1057, 606349555), (1337, 479365355), (5285, 121269911), (6685, 95873071), (7399, 86621365), (9359, 68480765), (28841, 22222235), (36995, 17324273), (46795, 13696153), (90703, 7066045), (144205, 4444447), (201887, 3174605), (453515, 1413209), (634921, 1009435)]