64480988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 133687680

約数和(自身を除く): 69206692

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 139, 143, 278, 286, 556, 572, 811, 1529, 1622, 1807, 3058, 3244, 3614, 6116, 7228, 8921, 10543, 17842, 19877, 21086, 35684, 39754, 42172, 79508, 112729, 115973, 225458, 231946, 450916, 463892, 1240019, 1465477, 2480038, 2930954, 4960076, 5861908, 16120247, 32240494, 64480988]

約数ペア:

[(1, 64480988), (2, 32240494), (4, 16120247), (11, 5861908), (13, 4960076), (22, 2930954), (26, 2480038), (44, 1465477), (52, 1240019), (139, 463892), (143, 450916), (278, 231946), (286, 225458), (556, 115973), (572, 112729), (811, 79508), (1529, 42172), (1622, 39754), (1807, 35684), (3058, 21086), (3244, 19877), (3614, 17842), (6116, 10543), (7228, 8921)]