1388890776

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{635939}}^1$

素因数の和:635968

約数の個数: 64

約数和(自身を含む): 4273516800

約数和(自身を除く): 2884626024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 635939, 1271878, 1907817, 2543756, 3815634, 4451573, 5087512, 7631268, 8267207, 8903146, 13354719, 15262536, 16534414, 17806292, 24801621, 26709438, 33068828, 35612584, 49603242, 53418876, 57870449, 66137656, 99206484, 106837752, 115740898, 173611347, 198412968, 231481796, 347222694, 462963592, 694445388, 1388890776]

約数ペア:

[(1, 1388890776), (2, 694445388), (3, 462963592), (4, 347222694), (6, 231481796), (7, 198412968), (8, 173611347), (12, 115740898), (13, 106837752), (14, 99206484), (21, 66137656), (24, 57870449), (26, 53418876), (28, 49603242), (39, 35612584), (42, 33068828), (52, 26709438), (56, 24801621), (78, 17806292), (84, 16534414), (91, 15262536), (104, 13354719), (156, 8903146), (168, 8267207), (182, 7631268), (273, 5087512), (312, 4451573), (364, 3815634), (546, 2543756), (728, 1907817), (1092, 1271878), (2184, 635939)]