426432890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 846792576

約数和(自身を除く): 420359686

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 173, 283, 335, 346, 566, 670, 865, 871, 1415, 1730, 1742, 2249, 2830, 3679, 4355, 4498, 7358, 8710, 11245, 11591, 18395, 18961, 22490, 23182, 36790, 37922, 48959, 57955, 94805, 97918, 115910, 150683, 189610, 244795, 246493, 301366, 489590, 492986, 636467, 753415, 1232465, 1272934, 1506830, 2464930, 3182335, 3280253, 6364670, 6560506, 16401265, 32802530, 42643289, 85286578, 213216445, 426432890]

約数ペア:

[(1, 426432890), (2, 213216445), (5, 85286578), (10, 42643289), (13, 32802530), (26, 16401265), (65, 6560506), (67, 6364670), (130, 3280253), (134, 3182335), (173, 2464930), (283, 1506830), (335, 1272934), (346, 1232465), (566, 753415), (670, 636467), (865, 492986), (871, 489590), (1415, 301366), (1730, 246493), (1742, 244795), (2249, 189610), (2830, 150683), (3679, 115910), (4355, 97918), (4498, 94805), (7358, 57955), (8710, 48959), (11245, 37922), (11591, 36790), (18395, 23182), (18961, 22490)]