64257172

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 133719040

約数和(自身を除く): 69461868

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 181, 217, 362, 409, 434, 724, 818, 868, 1267, 1636, 2534, 2863, 5068, 5611, 5726, 11222, 11452, 12679, 22444, 25358, 39277, 50716, 74029, 78554, 88753, 148058, 157108, 177506, 296116, 355012, 518203, 1036406, 2072812, 2294899, 4589798, 9179596, 16064293, 32128586, 64257172]

約数ペア:

[(1, 64257172), (2, 32128586), (4, 16064293), (7, 9179596), (14, 4589798), (28, 2294899), (31, 2072812), (62, 1036406), (124, 518203), (181, 355012), (217, 296116), (362, 177506), (409, 157108), (434, 148058), (724, 88753), (818, 78554), (868, 74029), (1267, 50716), (1636, 39277), (2534, 25358), (2863, 22444), (5068, 12679), (5611, 11452), (5726, 11222)]