289754437

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 358612992

約数和(自身を除く): 68858555

約数列:

[1, 7, 23, 37, 127, 161, 259, 383, 851, 889, 2681, 2921, 4699, 5957, 8809, 14171, 20447, 32893, 48641, 61663, 99197, 108077, 325933, 340487, 756539, 1118743, 1799717, 2281531, 7831201, 12598019, 41393491, 289754437]

約数ペア:

[(1, 289754437), (7, 41393491), (23, 12598019), (37, 7831201), (127, 2281531), (161, 1799717), (259, 1118743), (383, 756539), (851, 340487), (889, 325933), (2681, 108077), (2921, 99197), (4699, 61663), (5957, 48641), (8809, 32893), (14171, 20447)]