1288897288

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{258607}}^1$

素因数の和:258709

約数の個数: 32

約数和(自身を含む): 2792966400

約数和(自身を除く): 1504069112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 258607, 517214, 1034428, 1810249, 2068856, 3620498, 7240996, 14481992, 23016023, 46032046, 92064092, 161112161, 184128184, 322224322, 644448644, 1288897288]

約数ペア:

[(1, 1288897288), (2, 644448644), (4, 322224322), (7, 184128184), (8, 161112161), (14, 92064092), (28, 46032046), (56, 23016023), (89, 14481992), (178, 7240996), (356, 3620498), (623, 2068856), (712, 1810249), (1246, 1034428), (2492, 517214), (4984, 258607)]