31284328145

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1\times {\mathrm{751}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 44597329920

約数和(自身を除く): 13313001775

約数列:

[1, 5, 7, 35, 43, 89, 215, 301, 311, 445, 623, 751, 1505, 1555, 2177, 3115, 3755, 3827, 5257, 10885, 13373, 19135, 26285, 26789, 27679, 32293, 66839, 66865, 93611, 133945, 138395, 161465, 193753, 226051, 233561, 334195, 467873, 468055, 968765, 1130255, 1167805, 1190197, 1634927, 2339365, 2874077, 5950985, 8174635, 8331379, 10043123, 14370385, 20118539, 20786929, 41656895, 50215615, 70301861, 100592695, 103934645, 145508503, 351509305, 727542515, 893837947, 4469189735, 6256865629, 31284328145]

約数ペア:

[(1, 31284328145), (5, 6256865629), (7, 4469189735), (35, 893837947), (43, 727542515), (89, 351509305), (215, 145508503), (301, 103934645), (311, 100592695), (445, 70301861), (623, 50215615), (751, 41656895), (1505, 20786929), (1555, 20118539), (2177, 14370385), (3115, 10043123), (3755, 8331379), (3827, 8174635), (5257, 5950985), (10885, 2874077), (13373, 2339365), (19135, 1634927), (26285, 1190197), (26789, 1167805), (27679, 1130255), (32293, 968765), (66839, 468055), (66865, 467873), (93611, 334195), (133945, 233561), (138395, 226051), (161465, 193753)]