12782770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 30917376

約数和(自身を除く): 18134606

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1277, 1430, 2002, 2554, 5005, 6385, 8939, 10010, 12770, 14047, 16601, 17878, 28094, 33202, 44695, 70235, 83005, 89390, 98329, 116207, 140470, 166010, 182611, 196658, 232414, 365222, 491645, 581035, 913055, 983290, 1162070, 1278277, 1826110, 2556554, 6391385, 12782770]

約数ペア:

[(1, 12782770), (2, 6391385), (5, 2556554), (7, 1826110), (10, 1278277), (11, 1162070), (13, 983290), (14, 913055), (22, 581035), (26, 491645), (35, 365222), (55, 232414), (65, 196658), (70, 182611), (77, 166010), (91, 140470), (110, 116207), (130, 98329), (143, 89390), (154, 83005), (182, 70235), (286, 44695), (385, 33202), (455, 28094), (715, 17878), (770, 16601), (910, 14047), (1001, 12770), (1277, 10010), (1430, 8939), (2002, 6385), (2554, 5005)]