1221348424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 2459160000

約数和(自身を除く): 1237811576

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 137, 152, 178, 274, 356, 548, 659, 712, 1096, 1318, 1691, 2603, 2636, 3382, 5206, 5272, 6764, 10412, 12193, 12521, 13528, 20824, 24386, 25042, 48772, 50084, 58651, 90283, 97544, 100168, 117302, 180566, 231667, 234604, 361132, 463334, 469208, 722264, 926668, 1114369, 1715377, 1853336, 2228738, 3430754, 4457476, 6861508, 8035187, 8914952, 13723016, 16070374, 32140748, 64281496, 152668553, 305337106, 610674212, 1221348424]

約数ペア:

[(1, 1221348424), (2, 610674212), (4, 305337106), (8, 152668553), (19, 64281496), (38, 32140748), (76, 16070374), (89, 13723016), (137, 8914952), (152, 8035187), (178, 6861508), (274, 4457476), (356, 3430754), (548, 2228738), (659, 1853336), (712, 1715377), (1096, 1114369), (1318, 926668), (1691, 722264), (2603, 469208), (2636, 463334), (3382, 361132), (5206, 234604), (5272, 231667), (6764, 180566), (10412, 117302), (12193, 100168), (12521, 97544), (13528, 90283), (20824, 58651), (24386, 50084), (25042, 48772)]