639179632

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{33769}}^1$

素因数の和:33810

約数の個数: 60

約数和(自身を含む): 1532617680

約数和(自身を除く): 893438048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928, 33769, 67538, 135076, 236383, 270152, 438997, 472766, 540304, 877994, 945532, 1755988, 1891064, 3072979, 3511976, 3782128, 5706961, 6145958, 7023952, 11413922, 12291916, 22827844, 24583832, 39948727, 45655688, 49167664, 79897454, 91311376, 159794908, 319589816, 639179632]

約数ペア:

[(1, 639179632), (2, 319589816), (4, 159794908), (7, 91311376), (8, 79897454), (13, 49167664), (14, 45655688), (16, 39948727), (26, 24583832), (28, 22827844), (52, 12291916), (56, 11413922), (91, 7023952), (104, 6145958), (112, 5706961), (169, 3782128), (182, 3511976), (208, 3072979), (338, 1891064), (364, 1755988), (676, 945532), (728, 877994), (1183, 540304), (1352, 472766), (1456, 438997), (2366, 270152), (2704, 236383), (4732, 135076), (9464, 67538), (18928, 33769)]