81670456

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3931}}^1$

素因数の和:4004

約数の個数: 48

約数和(自身を含む): 181540440

約数和(自身を除く): 99869984

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 1484, 2597, 2968, 3931, 5194, 7862, 10388, 15724, 20776, 27517, 31448, 55034, 110068, 192619, 208343, 220136, 385238, 416686, 770476, 833372, 1458401, 1540952, 1666744, 2916802, 5833604, 10208807, 11667208, 20417614, 40835228, 81670456]

約数ペア:

[(1, 81670456), (2, 40835228), (4, 20417614), (7, 11667208), (8, 10208807), (14, 5833604), (28, 2916802), (49, 1666744), (53, 1540952), (56, 1458401), (98, 833372), (106, 770476), (196, 416686), (212, 385238), (371, 220136), (392, 208343), (424, 192619), (742, 110068), (1484, 55034), (2597, 31448), (2968, 27517), (3931, 20776), (5194, 15724), (7862, 10388)]