664123395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 1177473024

約数和(自身を除く): 513349629

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 233, 235, 311, 611, 699, 705, 933, 1165, 1555, 1833, 3029, 3055, 3495, 4043, 4665, 9087, 9165, 10951, 12129, 14617, 15145, 20215, 32853, 43851, 45435, 54755, 60645, 72463, 73085, 142363, 164265, 190021, 217389, 219255, 362315, 427089, 570063, 711815, 942019, 950105, 1086945, 2135445, 2826057, 2850315, 3405761, 4710095, 10217283, 14130285, 17028805, 44274893, 51086415, 132824679, 221374465, 664123395]

約数ペア:

[(1, 664123395), (3, 221374465), (5, 132824679), (13, 51086415), (15, 44274893), (39, 17028805), (47, 14130285), (65, 10217283), (141, 4710095), (195, 3405761), (233, 2850315), (235, 2826057), (311, 2135445), (611, 1086945), (699, 950105), (705, 942019), (933, 711815), (1165, 570063), (1555, 427089), (1833, 362315), (3029, 219255), (3055, 217389), (3495, 190021), (4043, 164265), (4665, 142363), (9087, 73085), (9165, 72463), (10951, 60645), (12129, 54755), (14617, 45435), (15145, 43851), (20215, 32853)]