28771236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{4729}}^1$

素因数の和:4765

約数の個数: 54

約数和(自身を含む): 78768690

約数和(自身を除く): 49997454

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 4729, 6084, 9458, 14187, 18916, 28374, 42561, 56748, 61477, 85122, 122954, 170244, 184431, 245908, 368862, 553293, 737724, 799201, 1106586, 1598402, 2213172, 2397603, 3196804, 4795206, 7192809, 9590412, 14385618, 28771236]

約数ペア:

[(1, 28771236), (2, 14385618), (3, 9590412), (4, 7192809), (6, 4795206), (9, 3196804), (12, 2397603), (13, 2213172), (18, 1598402), (26, 1106586), (36, 799201), (39, 737724), (52, 553293), (78, 368862), (117, 245908), (156, 184431), (169, 170244), (234, 122954), (338, 85122), (468, 61477), (507, 56748), (676, 42561), (1014, 28374), (1521, 18916), (2028, 14187), (3042, 9458), (4729, 6084)]