721036396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^3\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 1379196000

約数和(自身を除く): 658159604

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 389, 551, 778, 841, 1102, 1556, 1682, 2204, 3364, 7391, 11281, 14782, 15979, 22562, 24389, 29564, 31958, 45124, 48778, 63916, 97556, 214339, 327149, 428678, 463391, 654298, 857356, 926782, 1308596, 1853564, 6215831, 9487321, 12431662, 18974642, 24863324, 37949284, 180259099, 360518198, 721036396]

約数ペア:

[(1, 721036396), (2, 360518198), (4, 180259099), (19, 37949284), (29, 24863324), (38, 18974642), (58, 12431662), (76, 9487321), (116, 6215831), (389, 1853564), (551, 1308596), (778, 926782), (841, 857356), (1102, 654298), (1556, 463391), (1682, 428678), (2204, 327149), (3364, 214339), (7391, 97556), (11281, 63916), (14782, 48778), (15979, 45124), (22562, 31958), (24389, 29564)]