1289290470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3305873}}^1$

素因数の和:3305896

約数の個数: 32

約数和(自身を含む): 3332320992

約数和(自身を除く): 2043030522

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 3305873, 6611746, 9917619, 16529365, 19835238, 33058730, 42976349, 49588095, 85952698, 99176190, 128929047, 214881745, 257858094, 429763490, 644645235, 1289290470]

約数ペア:

[(1, 1289290470), (2, 644645235), (3, 429763490), (5, 257858094), (6, 214881745), (10, 128929047), (13, 99176190), (15, 85952698), (26, 49588095), (30, 42976349), (39, 33058730), (65, 19835238), (78, 16529365), (130, 9917619), (195, 6611746), (390, 3305873)]