644891568

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 1691141760

約数和(自身を除く): 1046250192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 307, 321, 409, 428, 614, 642, 818, 856, 921, 1227, 1228, 1284, 1636, 1712, 1842, 2454, 2456, 2568, 3272, 3684, 4908, 4912, 5136, 6544, 7368, 9816, 14736, 19632, 32849, 43763, 65698, 87526, 98547, 125563, 131289, 131396, 175052, 197094, 251126, 262578, 262792, 350104, 376689, 394188, 502252, 525156, 525584, 700208, 753378, 788376, 1004504, 1050312, 1506756, 1576752, 2009008, 2100624, 3013512, 6027024, 13435241, 26870482, 40305723, 53740964, 80611446, 107481928, 161222892, 214963856, 322445784, 644891568]

約数ペア:

[(1, 644891568), (2, 322445784), (3, 214963856), (4, 161222892), (6, 107481928), (8, 80611446), (12, 53740964), (16, 40305723), (24, 26870482), (48, 13435241), (107, 6027024), (214, 3013512), (307, 2100624), (321, 2009008), (409, 1576752), (428, 1506756), (614, 1050312), (642, 1004504), (818, 788376), (856, 753378), (921, 700208), (1227, 525584), (1228, 525156), (1284, 502252), (1636, 394188), (1712, 376689), (1842, 350104), (2454, 262792), (2456, 262578), (2568, 251126), (3272, 197094), (3684, 175052), (4908, 131396), (4912, 131289), (5136, 125563), (6544, 98547), (7368, 87526), (9816, 65698), (14736, 43763), (19632, 32849)]