6988409870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{7297}}^1$

素因数の和:7509

約数の個数: 64

約数和(自身を含む): 13903565760

約数和(自身を除く): 6915155890

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 139, 265, 278, 530, 689, 695, 1378, 1390, 1807, 3445, 3614, 6890, 7297, 7367, 9035, 14594, 14734, 18070, 36485, 36835, 72970, 73670, 94861, 95771, 189722, 191542, 386741, 474305, 478855, 773482, 948610, 957710, 1014283, 1933705, 2028566, 3867410, 5027633, 5071415, 10055266, 10142830, 13185679, 25138165, 26371358, 50276330, 53756999, 65928395, 107513998, 131856790, 268784995, 537569990, 698840987, 1397681974, 3494204935, 6988409870]

約数ペア:

[(1, 6988409870), (2, 3494204935), (5, 1397681974), (10, 698840987), (13, 537569990), (26, 268784995), (53, 131856790), (65, 107513998), (106, 65928395), (130, 53756999), (139, 50276330), (265, 26371358), (278, 25138165), (530, 13185679), (689, 10142830), (695, 10055266), (1378, 5071415), (1390, 5027633), (1807, 3867410), (3445, 2028566), (3614, 1933705), (6890, 1014283), (7297, 957710), (7367, 948610), (9035, 773482), (14594, 478855), (14734, 474305), (18070, 386741), (36485, 191542), (36835, 189722), (72970, 95771), (73670, 94861)]