1639897910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{10781}}^1$

素因数の和:10889

約数の個数: 64

約数和(自身を含む): 3521314944

約数和(自身を除く): 1881417034

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 53, 70, 82, 106, 205, 265, 287, 371, 410, 530, 574, 742, 1435, 1855, 2173, 2870, 3710, 4346, 10781, 10865, 15211, 21562, 21730, 30422, 53905, 75467, 76055, 107810, 150934, 152110, 377335, 442021, 571393, 754670, 884042, 1142786, 2210105, 2856965, 3094147, 3999751, 4420210, 5713930, 6188294, 7999502, 15470735, 19998755, 23427113, 30941470, 39997510, 46854226, 117135565, 163989791, 234271130, 327979582, 819948955, 1639897910]

約数ペア:

[(1, 1639897910), (2, 819948955), (5, 327979582), (7, 234271130), (10, 163989791), (14, 117135565), (35, 46854226), (41, 39997510), (53, 30941470), (70, 23427113), (82, 19998755), (106, 15470735), (205, 7999502), (265, 6188294), (287, 5713930), (371, 4420210), (410, 3999751), (530, 3094147), (574, 2856965), (742, 2210105), (1435, 1142786), (1855, 884042), (2173, 754670), (2870, 571393), (3710, 442021), (4346, 377335), (10781, 152110), (10865, 150934), (15211, 107810), (21562, 76055), (21730, 75467), (30422, 53905)]