1381993025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1831}}^1$

素因数の和:2094

約数の個数: 48

約数和(自身を含む): 2071772160

約数和(自身を除く): 689779135

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 227, 475, 665, 1135, 1589, 1831, 3325, 4313, 5675, 7945, 9155, 12817, 21565, 30191, 34789, 39725, 45775, 64085, 107825, 150955, 173945, 243523, 320425, 415637, 754775, 869725, 1217615, 2078185, 2909459, 6088075, 7897103, 10390925, 14547295, 39485515, 55279721, 72736475, 197427575, 276398605, 1381993025]

約数ペア:

[(1, 1381993025), (5, 276398605), (7, 197427575), (19, 72736475), (25, 55279721), (35, 39485515), (95, 14547295), (133, 10390925), (175, 7897103), (227, 6088075), (475, 2909459), (665, 2078185), (1135, 1217615), (1589, 869725), (1831, 754775), (3325, 415637), (4313, 320425), (5675, 243523), (7945, 173945), (9155, 150955), (12817, 107825), (21565, 64085), (30191, 45775), (34789, 39725)]