645248136

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{66713}}^1$

素因数の和:66766

約数の個数: 64

約数和(自身を含む): 1793272320

約数和(自身を除く): 1148024184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2418, 3224, 4836, 9672, 66713, 133426, 200139, 266852, 400278, 533704, 800556, 867269, 1601112, 1734538, 2068103, 2601807, 3469076, 4136206, 5203614, 6204309, 6938152, 8272412, 10407228, 12408618, 16544824, 20814456, 24817236, 26885339, 49634472, 53770678, 80656017, 107541356, 161312034, 215082712, 322624068, 645248136]

約数ペア:

[(1, 645248136), (2, 322624068), (3, 215082712), (4, 161312034), (6, 107541356), (8, 80656017), (12, 53770678), (13, 49634472), (24, 26885339), (26, 24817236), (31, 20814456), (39, 16544824), (52, 12408618), (62, 10407228), (78, 8272412), (93, 6938152), (104, 6204309), (124, 5203614), (156, 4136206), (186, 3469076), (248, 2601807), (312, 2068103), (372, 1734538), (403, 1601112), (744, 867269), (806, 800556), (1209, 533704), (1612, 400278), (2418, 266852), (3224, 200139), (4836, 133426), (9672, 66713)]