661254944

素因数分解:

$2^5\times 7^1\times {\mathrm{379}}^1\times {\mathrm{7789}}^1$

素因数の和:8185

約数の個数: 48

約数和(自身を含む): 1491940800

約数和(自身を除く): 830685856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 379, 758, 1516, 2653, 3032, 5306, 6064, 7789, 10612, 12128, 15578, 21224, 31156, 42448, 54523, 62312, 84896, 109046, 124624, 218092, 249248, 436184, 872368, 1744736, 2952031, 5904062, 11808124, 20664217, 23616248, 41328434, 47232496, 82656868, 94464992, 165313736, 330627472, 661254944]

約数ペア:

[(1, 661254944), (2, 330627472), (4, 165313736), (7, 94464992), (8, 82656868), (14, 47232496), (16, 41328434), (28, 23616248), (32, 20664217), (56, 11808124), (112, 5904062), (224, 2952031), (379, 1744736), (758, 872368), (1516, 436184), (2653, 249248), (3032, 218092), (5306, 124624), (6064, 109046), (7789, 84896), (10612, 62312), (12128, 54523), (15578, 42448), (21224, 31156)]