1285286778

素因数分解:

$2^1\times 3^8\times {\mathrm{41}}^1\times {\mathrm{2389}}^1$

素因数の和:2456

約数の個数: 72

約数和(自身を含む): 2963518740

約数和(自身を除く): 1678231962

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 243, 246, 369, 486, 729, 738, 1107, 1458, 2187, 2214, 2389, 3321, 4374, 4778, 6561, 6642, 7167, 9963, 13122, 14334, 19926, 21501, 29889, 43002, 59778, 64503, 89667, 97949, 129006, 179334, 193509, 195898, 269001, 293847, 387018, 538002, 580527, 587694, 881541, 1161054, 1741581, 1763082, 2644623, 3483162, 5224743, 5289246, 7933869, 10449486, 15674229, 15867738, 23801607, 31348458, 47603214, 71404821, 142809642, 214214463, 428428926, 642643389, 1285286778]

約数ペア:

[(1, 1285286778), (2, 642643389), (3, 428428926), (6, 214214463), (9, 142809642), (18, 71404821), (27, 47603214), (41, 31348458), (54, 23801607), (81, 15867738), (82, 15674229), (123, 10449486), (162, 7933869), (243, 5289246), (246, 5224743), (369, 3483162), (486, 2644623), (729, 1763082), (738, 1741581), (1107, 1161054), (1458, 881541), (2187, 587694), (2214, 580527), (2389, 538002), (3321, 387018), (4374, 293847), (4778, 269001), (6561, 195898), (6642, 193509), (7167, 179334), (9963, 129006), (13122, 97949), (14334, 89667), (19926, 64503), (21501, 59778), (29889, 43002)]