65811590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 136914624

約数和(自身を除く): 71103034

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 97, 130, 170, 194, 221, 307, 442, 485, 614, 970, 1105, 1261, 1535, 1649, 2210, 2522, 3070, 3298, 3991, 5219, 6305, 7982, 8245, 10438, 12610, 16490, 19955, 21437, 26095, 29779, 39910, 42874, 52190, 59558, 67847, 107185, 135694, 148895, 214370, 297790, 339235, 387127, 506243, 678470, 774254, 1012486, 1935635, 2531215, 3871270, 5062430, 6581159, 13162318, 32905795, 65811590]

約数ペア:

[(1, 65811590), (2, 32905795), (5, 13162318), (10, 6581159), (13, 5062430), (17, 3871270), (26, 2531215), (34, 1935635), (65, 1012486), (85, 774254), (97, 678470), (130, 506243), (170, 387127), (194, 339235), (221, 297790), (307, 214370), (442, 148895), (485, 135694), (614, 107185), (970, 67847), (1105, 59558), (1261, 52190), (1535, 42874), (1649, 39910), (2210, 29779), (2522, 26095), (3070, 21437), (3298, 19955), (3991, 16490), (5219, 12610), (6305, 10438), (7982, 8245)]