78694245

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 160856280

約数和(自身を除く): 82162035

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 89, 105, 147, 245, 267, 315, 401, 441, 445, 623, 735, 801, 1203, 1335, 1869, 2005, 2205, 2807, 3115, 3609, 4005, 4361, 5607, 6015, 8421, 9345, 13083, 14035, 18045, 19649, 21805, 25263, 28035, 35689, 39249, 42105, 58947, 65415, 98245, 107067, 126315, 176841, 178445, 196245, 249823, 294735, 321201, 535335, 749469, 884205, 1249115, 1606005, 1748761, 2248407, 3747345, 5246283, 8743805, 11242035, 15738849, 26231415, 78694245]

約数ペア:

[(1, 78694245), (3, 26231415), (5, 15738849), (7, 11242035), (9, 8743805), (15, 5246283), (21, 3747345), (35, 2248407), (45, 1748761), (49, 1606005), (63, 1249115), (89, 884205), (105, 749469), (147, 535335), (245, 321201), (267, 294735), (315, 249823), (401, 196245), (441, 178445), (445, 176841), (623, 126315), (735, 107067), (801, 98245), (1203, 65415), (1335, 58947), (1869, 42105), (2005, 39249), (2205, 35689), (2807, 28035), (3115, 25263), (3609, 21805), (4005, 19649), (4361, 18045), (5607, 14035), (6015, 13083), (8421, 9345)]