978909904

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{68821}}^1$

素因数の和:68963

約数の個数: 40

約数和(自身を含む): 2184685568

約数和(自身を除く): 1205775664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 68821, 137642, 275284, 481747, 550568, 963494, 1101136, 1926988, 3853976, 7707952, 8740267, 17480534, 34961068, 61181869, 69922136, 122363738, 139844272, 244727476, 489454952, 978909904]

約数ペア:

[(1, 978909904), (2, 489454952), (4, 244727476), (7, 139844272), (8, 122363738), (14, 69922136), (16, 61181869), (28, 34961068), (56, 17480534), (112, 8740267), (127, 7707952), (254, 3853976), (508, 1926988), (889, 1101136), (1016, 963494), (1778, 550568), (2032, 481747), (3556, 275284), (7112, 137642), (14224, 68821)]